| Test Name | Specimen Type/ Stability | 
|---|---|
| 11-Desoxycortisol | 1 mL serum collected in a red-top tube (no gel)/ Room temperature: 4 days Refrigerated: 4 days Frozen: 28 days  | 
| 17-Hydroxycorticosteroids and 17-Ketosteroids | 40 mL aliquot from a 24-hour urine collection/ Room temperature: 8 hours  Refrigerated: 7 days Frozen: 30 days  | 
| 17-Hydroxycorticosteroids and Creatinine Ratio, 24HR Urine | 20 mL of a 24-hour urine/  Room temperature: 8 hours  Refrigerated: 1 week Frozen: 1 month  | 
| 17-Hydroxypregnenolone | 2 mL serum collected in a red-top tube (no gel)/ Room temperature: 24 hours Refrigerated: 5 days Frozen: 28 days  | 
| 17-Ketosteroids with Creatinine, 24-Hour Urine | 20 mL aliquot from a 24-hour urine collection/ Room temperature: 8 hours Refrigerated: 7 days Frozen: 30 days  | 
| 5´ Nucleotidase | 1 mL serum/  Room temperature: Unacceptable Refrigerated: 7 days Frozen: 14 days  | 
| 5-Hydroxyindoleacetic Acid (HIAA), Quantitative, | 10 mL urine from a 24-hour urine collection/ Room temperature: 7 days Refrigerated: 30 days Frozen: 30 days  | 
| 25-Hydroxy Vitamin D (D2 and D3)TOTAL | 0.8 mL serum/  Room temperature: 3 days Refrigerated: 7 days Frozen: 12 months  | 
| 1,25 Dihydroxy Vitamin D | 1 mL serum/  Room temperature: 28 days Refrigerated: 28 days Frozen: 28 days  | 
| ABO Grouping and Rho(D) Typing * | 5 mL whole blood collectedin in an ACD-A or ACD-B (yellow-top) tube/  Room temperature: 72 hours Refrigerated: 6 days Frozen: Unacceptable  | 
| Acetaminophen (Tylenol®), Serum * | 1 mL serum collected in a red-top tube (no gel)/  Room temperature: 5 days Refrigerated: 10 days  | 
| Acetylcholine Receptor-binding Antibodies, Serum * | 1 mL serum/ Room temperature: 14 days Refrigerated: 14 days Frozen: 1 year  | 
| Acetylcholine Receptor- Blocking Antibodies, * | 1 mL serum/ Room temperature: 14 days Refrigerated: 14 days Frozen: 1 year  | 
| Acid Phosphatase, Prostatic, imm | 1 mL serum/ Room temperature: 24 hours  Refrigerated: 24 hours Frozen: 28 days  | 
| Acid-Fast (Mycobacteria) Culture w/fluorochrome smear | Sputum/ Room temperature: Unacceptable Refrigerated: 5 days Frozen: Unacceptable  | 
| Actin (Smooth Muscle) Antibody, Igg * | 0.5 mL serum/ Room temperature: 14 days  Refrigerated: 14 days Frozen: 30 days  | 
| Acute Leukemia follow up Panel | (1)ACD-A or EDTA, Na+ Hep.(1)/ 72 hours (may extend to 5 days depending on cell viability). | 
| Adenovirus Antigen, DFA | 3 mL of nasopharyngeal aspirate/wash, bronchial lavage/wash, throat swab, conjunctival swab or nasal/nasopharyngeal swab in V-C-M medium (green-cap) tube or equivalent | 
| Adrenocorticotropic Hormone (ACTH), Plasma | 1.5 mL plasma collected in an EDTA (lavender-top) tube/ Room temperature: 16 hours Refrigerated: 24 hours Frozen: 28 days  | 
| Adrenal AB with RFX to Titer | 2 mL serum/ Room temperature: 48 hours  Refrigerated: 14 days Frozen: 30 days  | 
| Aerobic Bacterial Culture, General | Culure Swab/ Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Aerobic ID and Susceptibility | Culture Swab/  Deliver to the microbiology laboratory as soon as possible. Room temperature: Stability varies with organism and transport system.  | 
| Alkaline Phosphatase, serum | 1 mL serum/ Serum  Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Alanine Aminotransferase (ALT), SGPT | 1 mL serum/ plasma(EDTA) Plasma: Room temperature/Refrigerated: 7 days Serum: Refrigerated: 3 days Frozen: longer than 3 days  | 
| Albumin, Serum | 1 mL serum/ plasma(heparinized)  Room temperature: 7 days Refrigerated: 30 days  | 
| Aldolase | 2 mL serum/  Room temperature: Not established Refrigerated: 5 days Frozen: 14 days  | 
| Aldosterone, 24-Hour Urine * | 5 mL 24-hour urine collected in a 24-hour container/ Room temperature: 7 days Refrigerated: 28 days Frozen: 21 days  | 
| Aldosterone, LC/MS/MS | 1 mL serum collected in a red-top tube (no gel)/ Room temperature: 4 days Refrigerated: 7 days Frozen: 28 days  | 
| Alkaline Phosphatase Isoenzymes | 2 mL serum/ Room temperature: 7 days Refrigerated: 21 days Frozen: 21 days  | 
| Allergen Profile, Adult Food specific IGG | 3.5 mL serum/ Room temperature: 14 days  Refrigerated: 14 days Frozen: 30 days  | 
| Allergen Profile, Child Food | 3 mL serum/Room temperature | 
| Allergen Profile, Respiratory, region 6: AL, AR, LA, MS | 4 mL serum/ Room temperature | 
| Alpha-1 Antitrypsin, Qnt. | 1 mL serum [alt. spec. red top tube] / Room temperature: 2 days Refrigerated: 7 days  | 
| Alpha-Fetoprotein (AFP), Maternal Serum (MS-AFP) | 1 mL serum/Room temperature: 14 days Refrigerated: 14 days Frozen: 45 days  | 
| Alpha-Fetoprotein (AFP), Serum, Tumor Marker | 1 mL serum/Room temperature: 14 days Refrigerated: 14 days Frozen: 45 days  | 
| Aluminum, Plasma/Serum * | 2 mL serum collected in a no additive (royal blue-top) trace element tube/Room temperature: 4 days Refrigerated: 14 days Frozen: 30 days  | 
| Aluminum, Random Urine * | 7 mL random urine in acid-washed, plastic urine container/Room temperature: 5 days Refrigerated: 14 days Frozen: 30 days  | 
| Amikacin (Amikin®), Serum, Peak | 1 ML SERUM COLLECTED IN A RED-TOP TUBE (NO GEL)/ Room temperature: 4 days Refrigerated: 7 days Frozen: 28 days  | 
| Amikacin (Amikin®), Serum, Peak and Trough | 1 mL serum collected in a red-top tube (no gel) for each specimen/Room temperature: 7 days Refrigerated: 7 days Frozen: 7 days  | 
| Amikacin (Amikin®), Serum, Trough | 1 ml Serum Collected in a Red-Top Tube (NO GEL)/ Room Temperature: 7 Days Refrigerated: 7 DAYS Frozen: 7 DAYS  | 
| Amiodarone (Cordarone®), Serum, Trough | 3 mL serum collected in a red-top tube (no gel)/Room temperature: 48 hours Refrigerated: 4 days Frozen: 30 days  | 
| Amitriptyline (Elavil®), Serum | 3 mL serum collected in a red-top tube (no gel)/Room temperature: 5 days Refrigerated: 7 days Frozen: Not established  | 
| Ammonia, Plasma | EDTA purple top (frozen Plasma)/ Room temperature: Unstable Refrigerated: Unstable Frozen -20° C: 72 hours Frozen -70° C: 7 days  | 
| Androstenedione, Serum | 1 mL serum collected in a red-top tube (no gel)/Room temperature: 14 days Refrigerated: 28 days Frozen: 2 years  | 
| Antihistone Antibodies, Quantitative | 1 mL serum/Room temperature: 8 hours Refrigerated: 7 days Frozen: 30 days  | 
| Anti JO-1 Antibody | 1 mL serum/Room temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Antimyeloperoxidase (MPO) Antibodies * | 1 mL serum/Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Antimyocardial Antibodies, W/Titer | 1 mL serum/Room temperature: 48 hours Refrigerated: 14 days Frozen: 6 months  | 
| ANCA Vasculities | 1 mL serum/Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Antineutrophil Cytoplasmic Antibodies (ANCA) W Rflx to | 1 mL serum/Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Antinuclear Antibodies (ANA) With Reflex | 1ml serum / RTRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Antipancreatic Islet Cells (IA-2 Antibody) | 1ml serum(Refrigerated)/Room temperature: 48 hours Refrigerated: 7 days Frozen: 3 years  | 
| Antiparietal Cell W reflex to Titer | 1ml serum refrigerated/Room temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Antiscleroderma - 70 Antibodies (SCL-70) | 1ml serum/Room temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Antismooth Muscle Antibodies, w/rfx to titer | 1ml serum/Room temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Antistreptolysin O (ASO) Antibodies | 1 ml Serum free from hemolysis  Refrigerated: 14 days Frozen: loger than 14 days  | 
| Antithrombin III Activity | 1ml frozen ppp from Blue top/Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: 30 days  | 
| Antithrombin III Antigen | 1ml frozen ppp from Blue top/Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: 21 days  | 
| Apolipoprotein A-1 | 2ml fasting serum free from hemolysis Frozen: 1 year  | 
| Apolipoprotein B | 2ml fasting serum free from hemolysis Frozen: 1 year  | 
| Arsenic, Blood | 2ml whole blood/royal blue/Room temperature: 10 days  Refrigerated: 10 days Frozen: Unacceptable  | 
| Aspartate Aminotransferase (AST), SGOT | 1 mL serum/ plasma(EDTA) Serum: Room temperature/Refrigerated: 1 day Serum: Refrigerated: 4 weeks Frozen: 1 year  | 
| Aspergillus AB, Immunodifusion: Includes: | 1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| ( Aspergillus Flavus, Fumigatus, Niger) | 0.3 mL serum/Room temperature: 14 days Refrigerated: 14 days Frozen: 30 days  | 
| Aspergillus Gallactomannia Antigen | 2ml serum refrigerated/Room temperature: Unacceptable Refrigerated: 5 days Frozen -70° C: 5 months  | 
| B Type Natriuretic Peptide (BNP) | EDTA (whole blood) tube:Room temperature: 7hrs. Refrigerated: 24 hour Frozen: (freeze plasma if prolonged) | 
| Babesia Microti Abs (IGG, IGM), IFA | 1ml serum(refrigerated)Room temperature: 72 hours Refrigerated: 7 days Frozen: 30 days  | 
| Bartonella, DNA PCR*, Qualitative, Real Time | 1EDTA or 1 ACD(yellow)Whole blood Room temperature: 48 hours Refrigerated: 7 days Frozen: Unacceptable  | 
| Basic Metabolic Panel (BMP) | 1ml serum / SST / Room temperature: 48 hours Refrigerated: 72 hours Frozen: 28 days  | 
| Basic Metabolic Panel (BMP) with eGFR | 1ml serum / SST / Room temperature: 48 hours Refrigerated: 72 hours Frozen: 28 days  | 
| Beta Strep (Group B) Antigen | 1 ml serum or CSF / Transport Temp- Frozen / Room temperature: Unacceptable Refrigerated: 48 hours Frozen: 7 days  | 
| Beta HCG, Qualitative, (Serum Pregnancy) | 1 ml serum/ Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Beta HCG, Quantitative with Gestational table | 1 ml serum/ Room temperature: 8hrs Refrigerated: 48 hrs Frozen: 6 months days  | 
| Beta-2 Microglobulin, Serum | 1ml Serum / SST Room temperature: 5 days  Refrigerated: 7 days Frozen: 30 days  | 
| Beta-2 Microglobulin, Urine * | 1ML Random Urine Room temperature: 8 hours Refrigerated: 7 days Frozen: 1 year  | 
| Bile Acids, Total * | 0.5 ml Serum - 8hrs fasting/plastic screw-cap vial/ Room temperature: Unacceptable Refrigerated: 7 days Frozen: Indefinitely | 
| Bilirubin, Direct | 1 ml serum free from hemolysis, protect from light Refrigerated: 72 hours* Frozen: 90 days* * If protected from light  | 
| Bilirubin, Total | 1 ml serum free from hemolysis, protect from light Refrigerated: 72 hours* Frozen: 90 days* * If protected from light  | 
| Bismuth, Blood* |  EDTA Royal BlueRoom temperature: 48 hours Refrigerated: 7 days Frozen: Unacceptable  | 
| Bismuth, Urine* | 7ml urine(acid wash contain)Room temperature: 48 hours Refrigerated: 5 days Frozen: 14 days  | 
| Blastomyces Antibodies, Immunodiffusion | 1ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Bleeding Time, Templ | Call Lab for instruction | 
| Blood Culture, Routine | Adults: 8-10 mL of blood in each of BD BACTEC® Plus Aerobic/F (silver label/gray cap) and Lytic/10 Anaerobic/F bottles (purple label and cap) Neonates and Children 1 to 6 years: 1-3 mL of blood in a BACTEC Peds Plus®/F bottle / 48hrs Room Temp  | 
| Body Fluid Culture, Sterile, Routine | Body fluid/ 3 mL bronchial aspirates/washes, tracheal aspirates/ washes, newborn urine, sterile body fluids, tissue/lung biopsy or conjunctival swab in VCM medium (green-cap) tube or equivalent [VCM medium (green-cap) tube or equivalent] Room temperature: Unacceptable Refrigerated: 4 days Frozen -20° C: Unacceptable Frozen -70° C: 30 days [Raw (unpreserved) specimens] Room temperature: Unacceptable Refrigerated: 72 hours Frozen: Unacceptable  | 
| Bordetella pertussis IGG and IGA (MAID) | 1 mL serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| BUN (Urea Nitrogen) | 1 mL serum/ Room temperature: 24hrs.  Refrigerated: 3 days Frozen: 90 days  | 
| C-Diff Toxin A&B | Raw stool/Refrigerated: 24hrs Frozen < -10oC: if longer than 72hrs  | 
| C-Peptide | 1ml frozen serumRoom temperature: 4 days Refrigerated: 7 days Frozen -20° C: 7 days Frozen -70° C: Not available  | 
| C-Reactive Protein (CRP) | 1ml serum fasting is recommended  Refrigerated: 14 days Frozen: 14 days  | 
| Caffeine * | 1ml serum(RTT)/ROOM TEMPERATURE: 5 DAYS REFRIGERATED: 7 DAYS FROZEN: 30 DAYS  | 
| Calcitonin (Thyrocalcitonin), Serum * | 1ml serum/ fasting/refrig./Frozen/Room temperature: Unacceptable  Refrigerated: 24 hours Frozen: 28 days  | 
| Calcium, Ionized, Serum | SST tube spin and keep it capped/Room temperature: 7 days  Refrigerated: 7 days Frozen: Not acceptable  | 
| Calcium, Serum | SST tube- 1ml serum/Room temperature: 1 day Refrigerated: 7 days Frozen: 1 year  | 
| Calcium, Urine 24hr Urine w/out Creat.* | 10 ml 24hr urine/Room temperature: 5 days Refrigerated: 35 days Frozen: 6 months  | 
| Calcium, Urine, Random * | 2ml random urine/Room temperature: 5 days  Refrigerated: 35 days Frozen: 6 months  | 
| Cancer Antigen (CA) 19-9 | 1ml serum/Room temperature: 7 days  Refrigerated: 7 days Frozen: 28 days  | 
| Cancer Antigen (CA) 125, Serum | 1ml serum/ Room temperature: 10 days Refrigerated: 12 days Frozen: 28 days  | 
| Cancer Antigen (CA) 15-3 w/Rebaseline* | 1 mL serum/Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days.  | 
| Cancer Antigen (CA) 27.29 | 1ml serum/Room temperature: 7 days  Refrigerated: 7 days Frozen: 28 days  | 
| Carbamazepine (Tegretol®), Serum | 1ml serum ( plain red) or Plasma Refrigerated: 30 days Frozen: 90 days  | 
| Carbamazepine, Free, Serum* | 3ml serum(RTT)//Room temperature: 14 days Refrigerated: 14 days Frozen: 10 months  | 
| Carbon Dioxide (CO2) | 1ml serum/Room temperature: 48 hours Refrigerated: 72 hours Frozen: 30 days  | 
| Caboxyhemoglobin* | 1 EDTA tube/Room temperature: 5 days Refrigerated: 10 days Frozen: Unacceptable  | 
| Carcinoembryonic Antigen (CEA) | 1ml serum/Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Cardiolipin IGA, IGG, IGM Antibodies | 1ml citrated Plasma or serum/Room temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Cardiolipin IGA AB | 1ml citrated Plasma or serum/Room temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Cardiolipin IGG AB | 1ml citrated Plasma or serum/Room temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Cardiolipin IGM AB | 1ml citrated Plasma or serum/Room temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Carisoprodol (Soma®, Soridol®), Serum* | 4ml serum (plain red top tube)/Room temperature: 5 days Refrigerated: 14 days Frozen: 1 year  | 
| Carnitine, LC/MS/MS | 1ml serum (Frozen)/Room temperature: 5 hours Refrigerated: 5 days Frozen: 30 days  | 
| Carotene | 2ml serum( fasting/protect from light/ref)/Room temperature: 3 days Refrigerated: 6 days Frozen: 30 days  | 
| Cat Dander (e1) IGE | 0.5ml serum/Room temperature: 14 days  Refrigerated: 14 days Frozen: 30 days  | 
| Catecholamines, Fractionated, 24 hr Urine | 24hr Urine/Room temperature: 7 days Refrigerated: 30 days Frozen: 49 days  | 
| Catecholamines, Fractionated, Plasma | 4ml plasma Na+ or lithium heparine/fasting/Room temperature: 6 hours  Refrigerated: 6 hours Frozen: 30 days  | 
| Catecholamines, Fractionated, Random Urine | 10 ml random Urine/Room temperature: 7 days Refrigerated: 30 days Frozen: 49 days  | 
| Vanillylmandelic Acid (VAMA), 24-Hr Urine* | 10ml of 24hr urine/Room temperature: 10 days  Refrigerated: 14 days Frozen: 1 year  | 
| CD4, Lymphocyte Subset, Panel 4 | 5 mL whole blood collected in an EDTA (lavender-top) tube  Room temperature: 72 hours  | 
| CD3, CD4, Lyphocyte Subset Panel 2* | 5 mL whole blood collect in an EDTA (lavender-top) tube  Room temperature: 72 hours  | 
| CD4/CD8 Lymphocyte Subset Panel 5* | 5 mL whole blood collect in an EDTA (lavender-top) tube  Room temperature: 72 hours  | 
| Celiac Disease Panel | 5 mL serum/Room temperature: 72 hours Refrigerated: 7 days Frozen: 21 days  | 
| Celiac Disease Comprehensive Profile (infant)with reflex | 5 mL serum/Room temperature: 72 hours Refrigerated: 7 days Frozen: 21 days  | 
| Celiac Disease Panel without Gliadin | 5 mL serum - Room Temperature | 
| Cell Count and Differential, CSF | 1 mL CSF Stat testing recommended due to cellular degeneration and nature of specimen.  | 
| Cell Count and Differential, Peritoneal Fluid | 3 ml Peritoneal Fluid in EDTA or Green top tube/Room temperature: 48 hours Refrigerated (2-8° C): 48 hours  | 
| Cell Count and Differential, Pleural Fluid | 3 ml Pleural Fluid in EDTA or Green top rube/Room temperature: 48 hours Refrigerated (2-8° C): 48 hours  | 
| Cell Count and Differential, Synovial Fluid | 3 ml Synovial fluid in EDTA or Green top tube/Room temperature: 48 hours Refrigerated (2-8° C): 48 hours Frozen: Unacceptable  | 
| Ceruloplasmin | 1ml serum / Room temperature: 7 days Refrigerated: 60 days Frozen: 90 days  | 
| Chlamydia/GC RNA , TMA * | 2mls Urine in APTIMA Transport medium / Room temperature: 14 days Refrigerated: 14 days Frozen: Not established / or Cervical/Vaginal swabs in APTIMA transport /Room temperature: 60 days Refrigerated: 60 days Frozen: 1 year  | 
| Chlamydia trachomatis, DNA Probe, endo. or male Urethra | Geneprobe swab | 
| Chlamydia/GC, DNA, SDA, Urine or Swab | 2mls of Urine in APTIMA Transport medium / Room Temp: 14 days Refrigerated: 14 days Frozen: Not established / or Cervical/Vaginal swabs in APTIMA transport /Room temperature: 60 days Refrigerated: 60 days Frozen: 1 year  | 
| Chlamydia/GC by DNA Probe (Geneprobe) w/reflex | gen probe | 
| Chloride, Serum | 1ml serum or Plasma (heparinized) Refrigerated: 7 days  | 
| Chloride, Random Urine | urine/Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Chloride, 24hr Urine | urine/Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Cholesterol, Total | Serum or heparinized free from hemolysis  Refrigerated: 7 days Frozen: 90 days  | 
| Cholinesterase, Plasma | purple/Room temperature: 21 days Refrigerated: 21 days Frozen: 30 days  | 
| Cholinesterase, Plasma and RBC | Purple/Room temperature: 24 hours  Refrigerated: 7 days Frozen: Unacceptable  | 
| Cholinesterase, Serum | 1ml serum/Room temperature: 21 days Refrigerated: 21 days Frozen: 30 days  | 
| Chromogranin A | 2ml Serum /  Room temperature: 7 days Refrigerated: 7 days Frozen: 35 days  | 
| Chromosome Analysis, Blood* | 5 mL whole blood collected in a sodium heparin (green-top) tube [alt. speciment] Whole blood collected in: Sodium heparin (royal blue-top) or sodium heparin lead-free (tan-top) Room temperature [See Instructions]  | 
| Citric Acid (Citrate), Random Urine | urine/Room temperature: 8 hours Refrigerated: 30 days Frozen: 60 days  | 
| Clonazepam (Klonopin ), Serum |  2 mL serum collected in a red-top tube (no gel)/Room temperature: 24 hours Refrigerated: 72 hours Frozen: 14 days  | 
| Clorazepate (Tranxene®), Serum*** | 2 mL serum collected in a red-top tube (no gel)/Room temperature: Unacceptable Refrigerated: 7 days Frozen: 60 days  | 
| Cocaine Metabolite Screen , urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Coccidioides Antibodies, ID* | 1 mL serum/Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Cold Agglutinin Titer, Quantitative | 3ml serum/allow to clot at 37"for 1hr/Room temperature: 14 days Refrigerated: 28 days Frozen: Unacceptable  | 
| Complement C1 Esterase Inhibitor, Serum, Functional | 1ml serum/plain red /freez w/in 1 hr/Room temperature: Unacceptable  Refrigerated: Unacceptable Frozen: 30 days  | 
| Complement C1 Esterase Inhibitor, Protein | 1ml serum / Room temperature: 7 days Refrigerated: 8 days Frozen: 1 year  | 
| Complement Component C5 | 1ml serum/Room temperature: 2 days Refrigerated: 14 days Frozen: 30 days  | 
| Complement C3, Serum* | 1ml serum/Room temperature: 72 hours Refrigerated: 7 days Frozen: 90 days  | 
| Complement C4, Serum* | 1ml serum/Room temperature: 72 hours Refrigerated: 7 days Frozen: 90 days  | 
| Complement, Total (CH50)* | 1ml serum/Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: 30 days  | 
| Complete Blood Count (CBC) With Auto Diff. & Platelet | purple/Room temperature: 48 hours Refrigerated: 48 hours (may cause platelet clumping) Frozen: Unacceptable  | 
| Complete Blood Count (CBC) W/ Diff,Plt, & Smear Review | purple/Room temperature: 48 hours Refrigerated: 48 hours (may cause platelet clumping) Frozen: Unacceptable  | 
| Comprehensive Metabolic Panel w/eGFR | 1ml serum/Room temperature: 48 hours Refrigerated: 72 hours Frozen: 5 days  | 
| Comprehensive Metabolic Panel | 1ml serum/Room temperature: 48 hours Refrigerated: 72 hours Frozen: 5 days  | 
| Coombs, Direct | 1 purple/Room temperature: 24 hours Refrigerated: 72 hours  | 
| Copper, Serum | 2ml serum / no additive Royal Blue/Room temperature: 5 days Refrigerated: 10 days Frozen: 30 days  | 
| Copper, Urine | 7ml from 24hr urine/ Room temperature; 5 days  Refrigerated: 7 days Frozen: 28 days  | 
| Corticosterone, LC/MS/MS | 1ml serum / collected in plain Red/Room temperature: 28 days Refrigerated: 28 days Frozen: 28 days  | 
| Cortisol, Serum | 1ml serum/Room temperature: 8 hours Refrigerated: 48 hrs. Frozen: 28 days  | 
| Cortisol, AM | 1ml serum/Room temperature: 8 hours Refrigerated: 48 hrs. Frozen: 28 days  | 
| Cortisol, PM | 1ml serum/Room temperature: 8 hours Refrigerated: 48 hrs. Frozen: 28 days  | 
| Cortisol, Free 24hr Urine | 2ml urine from 24hr urine/no preserv/Room Temperature: 48 Hrs Refrigerated: 7 Days Frozen: 5 Months  | 
| Coxsackie B(1-6) Virus AB, serum | 1ml serum / Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| C-Reactive Protein (CRP), Quantitative | 1ml serum free from hemolysis  Refrigerated: 14 days Frozen: >14 days  | 
| Creatinine Clearance, 24-Hour Urine | 1ml serum and 2ml urine(24hr urine) / Room temperature: 2 days  Refrigerated: 6 days Frozen: 1 year  | 
| Creatine Kinase (CPK), Total | 1ml serum / Room or Heparinized Plasma free from hemolysis Room Temperature: 4 hours Refrigerated: 8-12hrs Frozen: 30 days  | 
| Creatine Kinase (CK), MB | 1ml serum / Room temperature: 8 hours Refrigerated: 48 hrs. Frozen: 28 days  | 
| Creatine Kinase (CK), MB and Total | 1ml serum / Room temperature: 8 hours Refrigerated: 48 hrs Frozen: 28 days  | 
| Creatine, serum | 2 mL frozen serum(plain red top tube)-Room Temp: 4hrs Refrigerated: 24 hours Frozen: 90 days  | 
| Creatine, 24hr Urine | 3 mL urine from a 24-hour collection - no preservative/ Room temperature: 4 hours / Refrigerated: 24 hours Frozen: 90 days  | 
| Creatinine, 24-Hour Urine | 10 mL urine aliquot from a well-mixed, 24-hour collection - no preservative/Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Creatinine, Random Urine | 1ml serum and 2ml urine(24hr urine) / Room temperature: 2 days  Refrigerated: 6 days Frozen: 1 year  | 
| Creatinine, Serum | 1 ml serum/ Room temperature: 24 hrs Refrigerated: 7 days Frozen: 1 year  | 
| Cryofibrinogen, Qualitative | 5 mL fasting serum and 3 mL EDTA plasma - do not refrigerate Room temperature: 14 days  | 
| Cryoglobulin, Qualitative | 5ml of fasting serum/Plain redRoom temperature: 72 hours Refrigerated: Unstable Frozen: Unstable  | 
| Crytococcus Antigen, Latex Screen with reflex to titer | 2ml serum or 1ml CSFRoom temperature: Unacceptable Refrigerated: 7 days Frozen: 60 days  | 
| Crystal Examination, Synovial Fluid | 3 mL synovial fluid in an EDTA (lavender-top) tube or heparin (green-top) tube / Room temperature: 48 hours Refrigerated (2-8° C): 48 hours Frozen: Unacceptable  | 
| Culture, Abcess/Wound (Aerobic) | 2 swabs abscess or deep wound, normally sterile body fluids. collected in Amies gel (blue-cap) or ESwab (white-cap) / Room Temp: 72 hours     Refrig.: 72 hours   Frz: Unacceptable ESwab or swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Culture, Anaerobic | 2 swabs abscess or deep wound, normally sterile body fluids. collected in Amies gel (blue-cap) or ESwab (white-cap) / Room temperature: 72 hours Refrigerated: 72 hours Frozen: Unacceptable ESwab or swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Culture, Blood | Adults: 8-10 mL of blood in each of BD BACTEC® Plus Aerobic/F (silver label/gray cap) and Lytic/10 Anaerobic/F bottles (purple label and cap) Neonates and Children 1 to 6 years: 1-3 mL of blood in a BACTEC Peds Plus®/F bottle / 48hrs Room Temp  | 
| Culture, Bronchial washing (Lower Respiratory Culture) | Bronchial Wash in steril cont | 
| Culture, CSF | Cerebrospinal fluid in sterile leak-proof container or Port-A-Cul® gel vial /Sterile, plastic screw-cap tube or Port-A-Cul® gel vial/ Transport to the lab as soon as possible. Do not refrigerate. | 
| Culture, Ear | one transport swab/Transport swab: Room temperature: 2 days | 
| Culture, Environmental | one transport swab/Transport swab: Room temperature: 2 days | 
| Culture, Eye | one transport swab/Transport swab: Room temperature: 2 days | 
| Culture, Fluids | 3 mL body fluid, CSF, bronchial lavage/wash, tracheal aspirate, tissue biopsy, lung biopsy or newborn urine in sterile screw-cap container | 
| Culture, Genital Sources | 1 transport Blue top swab / Vaginal, endocervical, urethral, prostatic secretions. Room Temprature, do not refrigerate | 
| Culture, Miscellanous | 1 Transport swab/ Room Temprature only | 
| Culture, Nasal/Throat ( upper Respiratory) | 1 transport swab / Nasopharyngeal (NP), nasal passages and paranasal sinus drainage / Room Temp 48hrs | 
| Culture, Sputum/ Lower Respiratory | 3-5 ml Sputum or 5-10 ml brochial was in a sterile leak proof screw cap container / Refrigerated | 
| Culture, Stool(Salmonella/Shigella/Campylobacter) | 1 gram or 1 mL stool in Cary-Blair transport stool culture transport medium / Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable  | 
| Culture, Urine |            4 mL random, clean catch, midstream urine collection in gray-top urine transport tube/Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Culture, Vibrio | Stool submitted in transport mediaStool or swab in Cary-Blair RT: 4 days Refrigerated: 4 days Frozen: Unacceptable Swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Culture, Yersinia only | Stool submitted in transport mediaStool or swab in Cary-Blair RM Temp: 4 days Refrigerated: 4 days Frozen: Unacceptable Swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Cyanide, Blood | 10ml whole bld Na+ heparin or EDTARoom temperature: 14 days Refrigerated: 14 days Frozen: 30 days  | 
| Cytomegalovirus (CMV) Antibodies, IgG, Quantitative** | 1ml serum / Room Temperature | 
| Cytomegalovirus (CMV) Antibodies, IgM, Quantitative** | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| D-Dimer (Latex)** | Citrated Plasma/blue top or Lithium Plasma - Stability: Refrigerated 4days, Frozen 6 months | 
| Dehydroepiandrosterone (DHEA), Unconjugated*** | 1ml serum /fastingRoom temperature: 7 days  Refrigerated: 7 days Frozen: 2 years  | 
| Dehydroepiandrosterone (DHEA) Sulfate* | 1ml serum / Room temperature: 4hrs. Refrigerated: 48 hrs Frozen: >48hrs  | 
| Diazepam (Valium®), Serum | 1ml serum / plain red/refrigeratedRoom temperature: 5 days  Refrigerated: 14 days Frozen: 1 year  | 
| Differential, Manual / Smear Review/ WBC, Total | Whole blood from a full EDTA (lavender-top) tube Room temperature: 48 hours  | 
| Digoxin (Lanoxin®), Serum | 1ml serum or heparinized/EDTA Plasma - Room Temperature: 8hrs Refrigerated: 7 days Frozen: 6 months | 
| Dihydrotestosterone (DHT), LC/MS/MS | 1 mL serum collected in a red-top tube (no gel) RM Temp: 7 days Refrigerated: 7 days Frozen: 2 years  | 
| Dilantin(Phenytoin), Serum | 1ml serum or heparinized/EDTA Plasma - Room Temperature: 8hrs Refrigerated: 7 days Frozen: 6 months | 
| DNA(ds), Antibodies | 1ml serum / RT | 
| Drugs of Abuse 5 Classes, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Drugs of Abuse 5 Classes + Alcohol | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Drugs of Abuse 7 Classes, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Drug of Abuse 7 Classes + Alcohol, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Drugs of Abuse 9 Classes, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Drugs of Abuse 9 Classes + Alcohol, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Drug Screen, Comprehensive, w/confirmation, Serum, | Serum: 10 mL serum  Optional whole blood: Whole blood for volatiles analysis, only - sodium fluoride (gray-top) tube /Serum: Plastic screw-cap vial Optional whole blood: Unopened gray-top tube  | 
| Entamoeba Histolytica Antibody, IGG | 1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Electrolyte Panel | 1ml serum/ Room temperature: 48 hours Refrigerated: 72 hours Frozen: 28 days  | 
| Eosinophil, Urine | 8ml UrineRoom temperature: 3 days; preserved specimen Refrigerated: 1 day; unpreserved pediatric specimen  | 
| Epstein-Barr Virus (EBV) Nuclear AG AB** | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Epstein-Barr Virus (EBV), Viral Capsid Ag(VCA) IGG AB | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Epstein Barr Virus (EBV), Viral Capsid Ag(VCA) IGM AB | red1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Erythropoietin (EPO), Serum | 1ml serum /collected before noonRoom temperature: 10 days  Refrigerated: 18 days Frozen: 28 days  | 
| Escherichia Coli (E Coli) O157, Culture | 1 gram or 1 mL stool in Cary-Blair transport stool culture transport medium / Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable  | 
| Estradiol | 1ml serum Room temperature: 8 hrs. Refrigerated: 48hrs Frozen: >48 hrs *Do not add estradiol testing to a gel barrierl specimen older than 72 hours  | 
| Estrogens, Total | 1ml serumRoom temperature: 4 days Refrigerated: 14 days Frozen: 28 days  | 
| Estrone, Serum | 1ml serum / no gel Room temperature: 48 hours  Refrigerated: 7 days Frozen: 2 years  | 
| Ethanol, Serum, Blood | Serum or Plasma(FlourideOxalate) Stability: Refrigerated - 3days , Frozen: >3days | 
| Ethanol, Urine | Random Urine Stability: Refrigerated - 3days , Frozen: >3days | 
| Ethylene Glycol | 3ml whole blood / NA+ flouride/ GrayRoom temperature: 24 hours Refrigerated: 5 days  | 
| Factor V Activity and human Inhibitor | 2ml frozen Plasma/3.2% Na+ CitrateRoom temperature: Unacceptable  Refrigerated: Unacceptable Frozen -20° C: 14 days Frozen -70° C: 1 year  | 
| Factor V (Leiden)* | 5ml whole blood/EDTARoom temperature: 8 days Refrigerated: 8 days Frozen: 30 days  | 
| Factor VIII Activity, Clotting | 1ml frozen PPP /blue top tubeRoom temperature: Unacceptable  Refrigerated: Unacceptable Frozen -20° C: 14 days Frozen -70° C: 1 year  | 
| Factor VIII Inhibitor Panel | 2ml frozen Plasma(X3)/blue top tubeRoom temperature: Unacceptable Refrigerated: Unacceptable Frozen: 14 days  | 
| Factor VIII Antigen | 1ml frozen PPP /blue top tubeRoom temperature: 4 hours  Refrigerated: 48 hours Frozen -20° C: 30 days Frozen -70° C: 6 months  | 
| Factor X Activity, Clotting | 1 ml frfozen PPP / blue top tubeRoom temperature: Unacceptable Refrigerated: Unacceptable Frozen -20° C: 14 days Frozen -70° C: 1 year  | 
| Fecal Fat, qualitative | 2gms of freshly passed/frozen fecesRoom temperature: 1 hour Refrigerated: 5 days Frozen: 30 days  | 
| Fecal Leuckocyte STN* | 10gms stool / in Zn-PVA or Total-FixRoom temperature: 6 months Refrigerated: Not recommended Frozen: Unacceptable  | 
| Felbamate (Felbatol®), Serum** | 1ml serum / no gelRoom temperature: 72 hours Refrigerated: 5 days Frozen: 30 days  | 
| Ferritin, Serum | 1ml serum or Plasma(EDTA or Lithium) Stability: Refrigerated 7days, frozen: 1year | 
| Fetal Hemoglobin** | 1 full EDTA                                                                                                     Room temperature: 48 hours Refrigerated: 14 days  | 
| Fibrinogen QN | 1 full blue top or 1ml plasma/blue topWhole blood (3.2% sodium citrate) Room temperature: 72 hours (non-heparinized)  | 
| Fibrinogen Degradation Products (FDP), Plasma | 1ml PPP /Blue top tube/FrozenRoom temperature: 8 hours Refrigerated: 48 hours Frozen: 30 days  | 
| Flu Screen A & B, Rapid | Nasal Wash/Aspirate: Collect nasal wash in standard containers. Washes could be held refrigerated for upto 24hrs. Nasopharengeal /nasal swabs: Use steril cotton, rayon, foam, polyester or floacked swabs. Elute swabs w/in 1 hr. Eluted swab samples can be held upto 24hrs. | 
| Folate (Folic Acid), Serum | 2 mL serum free from hemolysis - protect from light Rrefrigerated: hrs Frozen: 6 months  | 
| Follicle-Stimulating Hormone (FSH) | 1ml serumRoom temperature: 8 hrs  Refrigerated: 48 hrs. Frozen: >48 hrs  | 
| FSH & LH | 1ml serumRoom temperature: 8 hrs  Refrigerated: 48 hrs. Frozen: >48 hrs  | 
| Free Kappa Light Chain, serum | 2ml serumRoom temperature: 7 days Refrigerated: 21 days Frozen: 90 days  | 
| Fructosamine | 1ml serum/SST/RTSerum Room temperature: 5 days Refrigerated: 14 days Frozen: 60 days  | 
| FTA-ABS | 1ml serum/SST/RTRoom temperature: 7 days  Refrigerated: 14 days Frozen: 30 days  | 
| Fungal Stain(Skin, Nail or Hair) | Raw specimen/any sourceSources other than hair, skin or nails: Room temperature: 72 hours Hair, skin or nail specimens: Room temperature: 2 weeks  | 
| Fungal Stain(other than Skin, Nail and hair) | Raw specimen/any sourceSources other than hair, skin or nails: Room temperature: 72 hours Hair, skin or nail specimens: Room temperature: 2 weeks  | 
| Fungal Culture, mIscellaneous source | skin scrapings, Nails or hairRoom temperature: 7 days Refrigerated: See instructions Frozen: Unacceptable  | 
| Fungus Direct Exam, Skin, Hair, Nail | Skin, Hair, NailRoom temperature: 7 days Refrigerated: See insructions Frozen: Unacceptable  | 
| Gabapentin (Neurontin®), Serum | 1ml serum/No Gel/ draw sample 2hrs after last doseRoom temperature: 5 days Refrigerated: 12 days Frozen: 30 days  | 
| Glomerular Basement Membrane, (IGG)/GBM Antibody | 1ml serum RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Gamma Glutamyl Transpeptidase (GGT) | 1ml serum free from hemolysis Refrigerated: 1 month Frozen: 1 year  | 
| Gastrin, Serum*** | 1ml frozen, 12hr fasting SerumROOM TEMPERATURE: UNACCEPTABLE REFRIGERATED: UNACCEPTABLE FROZEN: 28 DAYS  | 
| GC (Neisseria gonorrhoeae) Culture Only | Urethral, cervical, anorectal, throat or conjunctiva. Collect specimen using a culture swab in Amies gel (blue-cap) or eSwab (white-cap) transport medium delivered within 24 hours of collection/ Deliver to the Microbiology lab as soon as possible. | 
| Gentamicin (Garamycin®), Serum, Peak | 1 mL serum or plasma(EDTA, Heparin) refrigerated: 7 days Frozen: 6 months | 
| Gentamicin (Garamicin) Level | 1 mL serum or plasma(EDTA, Heparin) refrigerated: 7 days Frozen: 6 months | 
| Gentamicin (Garamycin®), Serum, Trough | 1 mL serum or plasma(EDTA, Heparin) refrigerated: 7 days Frozen: 6 months | 
| Gestational Glucose Tolerance (140 Cut-off) |  2 -1 mL plasma Spec.(fluoride/oxalate, gray-top) or Serum (SST)                                                                                                  RM Temp: 4 days/Refrigerated: 7 day / Frozen: 28 days | 
| Giardia lamblia AG Detection by EIA** | 10gms/in 10% formalin or T.fix vialPreserved Room temperature: 60 days Refrigerated: 60 days Frozen: Unacceptable  | 
| Gliadin IgA Antibody by EIA* | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Gliadin IgG Antibody by EIA* | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Glucagon, Plasma | 3ml frozen plasma/EDTA/fastingRoom temperature: 24 hours Refrigerated: 24 hours Frozen: 28 days  | 
| Glucose 6-Phosphate Dehydrogenase (G-6-PD), | 1 ml whole blood /EDTARoom temperature: 2 days  Refrigerated: 7 days Frozen: Unacceptable  | 
| Glucose, Plasma/Serum | 1ml serum or Plasma Stability: Room Temperature: 8 hrs. Refrigerated: 72hrs | 
| Glucose Tolerance Test (GTT), Blood,5 Specimens (4hrs) | 1 mL serum for each timed specimen Room temperature: 8 hours Refrigerated: 72 hours Frozen: 6 months  | 
| Glucose Tolerance Test (GTT), Blood,4 Specimens (3hrs) | 1 mL serum for each timed specimen Room temperature: 8 hours Refrigerated: 72 hours Frozen: 6 months  | 
| Glucose, Body Fluid | body fluidRoom temperature: 24 hours Refrigerated: 7 days Frozen: 28 days  | 
| Glucose Tolerance, 2 hours Postprandial | 1ml serum or Plasma Stability: Room Temperature: 8 hrs. Refrigerated: 72hrs | 
| Glutamic Acid Decarboxylase (GAD) | 1ml serum / RefrigeratedRoom temperature: 8 hours  Refrigerated: 7 days Frozen: 6 months  | 
| Glycohemoglobin (GHB), A1C with MBG Estimation | 5 ml whole Blood collected in an EDTA (lavender) tube Room Temperature: 7 DAYS Refrigerated: 14 DAYS Frozen: 6 months  | 
| Gram Stain | 3mls or 2gms body fluid , CSF, Lower Resp sepc., Urine, or fresh tissue collected in a sterile container; 1ml or 1 swab wound, excudates, aspirates, lesion materials or ocular spec. collected in Amies liquid or Gel Swab | 
| Group A Streptococcus Screen, Rapid | Collect Throat spaimen using a swab in a red cap trasport tube with liquid Amies Transport Medium. Do not use swabs with Gel(blue cap) or Dry Swab. Stability: 48hrs | 
| Growth Hormone (HGH), Serum | 1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 28 days  | 
| Haloperidol (Haldol®), Serum* | 1ml serum/no gel/Refr.Room temperature: 48 hours Refrigerated: 7 days Frozen: 30 days  | 
| Haptoglobin | 1ml serum/SST/RTRoom temperature: 48 hours Refrigerated: 7 days Frozen: 90 days  | 
| Heavy Metals Panel with Cadmium, 24 hr. Urine | 10ml aliquot from Room temperature: 48 hours Refrigerated: 5 days Frozen: 14 days  | 
| Helicobacter pylori IGM AB | 1ml serum /RT | 
| Helicobacter pylori IGG AB | 1ml serum /RT | 
| Helicobacter pylori Stool Antigen | 2gms of stool / Refrigerate or frozenRoom temperature: Unacceptable Refrigerated: 72 hours Frozen: 30 days  | 
| Helicobacter pylori, IgG, IgA Antibodies | 2ml serum | 
| Hemoglobin and Hematocrit, H&H | Whole blood from a full EDTA (lavender-top) tube Room temperature: 48 hours Refrigerated: 48 hours (may cause platelet clumping) Frozen: Unstable  | 
| Hemoglobin (Hgb) A1c With MBG Estimation | 5 ml whole Blood collected in an EDTA (lavender) tube Room Temperature: 7 DAYS Refrigerated: 14 DAYS Frozen: 6 months  | 
| Hemoglobinopathy Profile | 1 full EDTA tubeRoom temperature: 72 hours Refrigerated: 6 days Frozen: Unacceptable  | 
| Heparin-Induced Platelet Antibody | 2ml frozen Serum(no gel)Room temperature: Unacceptable Refrigerated: Unacceptable Frozen -20° C: 28 days Frozen -70° C: 6 months  | 
| Hepatic Function Panel (7) | 1 mL serum Room temperature: 24 hours Refrigerated: 72 hours Frozen: Unacceptable  | 
| Hepatitis A Antibody, Total | 2ml serumRoom temperature: 14 days Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis A IGM Antibody | 2ml serumRoom temperature: 14 days  Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis B Core Antibody, Total | 2ml serumRoom temperature: 5 days  Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis B Surface Antibody, QL | 2ml serumRoom temperature: 5 days  Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis B Surface Antigen w/confirmation | 2ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis B Surface Antibody, QN | 2ml serumRoom temperature: 5 days  Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis Be Antibody** | 2ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: Indefinitely  | 
| Hepatitis Be Antigen** | 2ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: Indefinitely  | 
| Hepatitis C Virus (HCV) Antibody | 2ml serumRoom temperature: 72 hours Refrigerated: 14 days Frozen: 30 days  | 
| Hepatitis C Virus RNA by PCR* | 3ml refrigerated EDTARoom temperature: 72 hours Refrigerated: 14 days Frozen: 42 days  | 
| Hepatitis C Viral RNA, Quantative Real Time PCR w/reflex | 5ml (X2)frozen plasma in 2 EDTA tubeRoom temperature: 72 hours  Refrigerated: 14 days Frozen: 42 days  | 
| to Genotype LiPA | 2 mL plasma collected in a PPT potassium EDTA (white-top) tube or EDTA (lavender-top) tube Room temperature: 72 hours refrigerated: 14 days frozen: 42 days  | 
| Hepatitis C Viral RNA, Qualitative TMA | 3ml Frozen Plasma   Room temperature: 72 hours Refrigerated: 14 days Frozen: 42 days  | 
| Hepatitis Panel, Acute* | 2ml serumRoom temperature: 5 days Refrigerated: 14 days Frozen: 30 days  | 
| (HBsAG, HBcAB IGM, HAAB IGM, HCAB) | |
| Herpes Simplex Virus (HSV)1&2, IGM AB Screen |  1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Herpes Simplex Virus (HSV) I, IGG type specific Herpesel. | 1 ml serumRoom temperature: 7 days  Refrigerated: 14 days Frozen: 30 days  | 
| Herpes Simplex Virus (HSV) Type I & II Herpeselect* | 2 ml serumRoom temperature: 7 days  Refrigerated: 14 days Frozen: 30 days  | 
| Herpes Simplex Virus (HSV) 2 Herpeselect | 1 ml serumRoom temperature: 7 days  Refrigerated: 14 days Frozen: 30 days  | 
| High-Density Lipoprotein Cholesterol (HDLC) | 1 mL serum - separate from cell w/in 3hrs                                Room temperature: 7 days  Refrigerated: 14 days  | 
| Histoplasma Antibodies, Quantitative, Immunodiffusion | 1ml serum(refrigerated)Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| HIV-1 Genotyping, PR and RT, DNA sequencing | 4ml plasma/EDTA or EDTA(white TOP)Room temperature: Unacceptable Refrigerated: 6 days Frozen: 90 days  | 
| HIV-1 RNA, Quantitative Real Time PCR* | 3ml frozen plasma(EDTA) or PPTRoom temperature: 24 hours Refrigerated: 6 days Frozen: 42 days  | 
| HIV-1 RNA Qual PCR | 1 mL whole blood collected in an EDTA (lavender-top) tube Room temperature: 6 days Refrigerated: 6 days Frozen: Unacceptable  | 
| HIV1,2 AB w/Reflex | 3ml serum / SST | 
| HLA A DNA Typing, Low Resolution | 10ml blood in ACD(yellow)or EDTARoom temperature: 7 days Refrigerated: 7 days Frozen: Unacceptable  | 
| HLA B DNA Typing, Low Resolution | 10ml blood in ACD(yellow)or EDTARoom temperature: 7 days Refrigerated: 7 days Frozen: Unacceptable  | 
| HLA B27 Antigen | 5 mL whole blood collected in sodium heparin (green-top) tube Room temperature: 7 days Refrigerated: 5 days Frozen: Unacceptable  | 
| Homocystine Nutritional/Congenital | 1ml serum (SST) - Place Specimen on Ice (up to 6 hrs) prior to centrifugation. Serum is stable for two weeks if refrigerated and 8 months if frozen. | 
| Homocystine, Cardio | 1ml serum /refreigerated for 30min prior to spinning/ Room temperature: 4 days Refrigerated: 14 days Frozen: 6 months  | 
| Human Chorionic Gonadotropin (hCG), Beta Subunit, | 1ml serumRoom temperature: 7 days Refrigerated: 5 days Frozen: Unacceptable  | 
| Human Chorionic Gonadotropin (hCG), Beta Subunit, | 1ml serumRoom temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Quantitative (Gest. Table),Serum | 1ml serum | 
| Human Chorionic Gonadotropin (hCG), Urine Qual | 1 mL serum /Room temperature: 7 days  Refrigerated: 7 days Frozen: 28 days  | 
| IA2 Antigens (Islet Cell) | 1ml serum / RefrigerateRoom temperature: 48 hours Refrigerated: 7 days Frozen: 3 years  | 
| ID Organism by Typing Sera | N/A | 
| Imipramine | 3ml serum / plain redRoom temperature: 5 days Refrigerated: 5 days Frozen: 30 days  | 
| Immunofixation (IFE), Random Urine | 20 ml Urine / no preservativeRoom temperature: 5 days Refrigerated: 7 days Frozen: 30 days  | 
| Immunofixation (IFE), Serum | 2ml serum / fastingRoom temperature: 4 days Refrigerated: 7 days Frozen: 6 months  | 
| Immunoglobulin A (IgA), Quantitative, Serum | 1ml serum / SSTRoom temperature: 72 hours Refrigerated: 7 days Frozen: 90 days  | 
| Immunoglobulin D (IgD), Quantitative, Serum* | 1ml serumRoom temperature: 8 hours Refrigerated: 7 days Frozen: 30 days  | 
| Immunoglobulin E (IgE), Quantitative, Serum | 1ml serumRoom temperature: 14 days  Refrigerated: 14 days Frozen: 30 days  | 
| Immunoglobulin G (IgG), Serum | 1ml serumRoom temperature: 72 hours Refrigerated: 7 days Frozen: 90 days  | 
| Immunoglobulin G (IgG), Subclass Panel | 2ml serumRoom temperature: 3 days Refrigerated: 21 days Frozen: 6 months  | 
| Immunoglobulin M (IgM), Quantitative, Serum | 1ml serumRoom temperature: 72 hours Refrigerated: 7 days Frozen: 90 days  | 
| Influenza A H1N1(swine) | Nasal washing/NP swab | 
| Influenza A & B Rapid Test | Nasal washing/NP swab | 
| Influenza A & B DFA, | Nasal washing/NP swabVCM medium (green-cap) tube or equivalent Room temperature: Unacceptable Refrigerated: 4 days Frozen -20° C: Unacceptable Frozen -70° C: 30 days  | 
| Insulin | 2ml serum / SST / Room temperature: 8 hours  Refrigerated: 24 hrs Frozen: 28 days  | 
| Insulin-like Growth Factor I (IGF-I) | 1ml serum / refrigeratedRoom temperature: 48 hours Refrigerated: 5 days Frozen: 28 days  | 
| Intrinsic Factor blocking AB | 1ml serumRoom temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Iodine, serum or plasma* | 1ml serum /trace metal free dark blue tubeRoom temperature: 10 days Refrigerated: 10 days Frozen: Unacceptable  | 
| Iron, Total | 1ml serum/ Room temperature: 4 days Refrigerated: 7 days  | 
| Iron & Total Iron Binding Capacity (TIBC) | 1ml serum/ Serum and Plasma  Room temperature: 4 days Refrigerated: 7 days  | 
| JO-1 Antibody | 1ml serumRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Kappa / Lambda light chains, Free w/ratio* | 2ml serum / RTRoom temperature: 7 days Refrigerated: 21 days Frozen: 90 days  | 
| Kappa Light Chain, Quant. Random Urine | 20ml urineRoom temperature: 12 hours Refrigerated: 7 days Frozen: Not established  | 
| Kappa Light Chain, Free, serum | 2ml serumRoom temperature: 7 days Refrigerated: 21 days Frozen: 90 days  | 
| Keppra Levetricetam | 1ml serum / plain red tube/ Room temperature: 14 days refrigerated: 28 days frozen: 60 days | 
| Ketones, Urine | 3ml uirne | 
| Ketone(Aceton), Serum | 1ml serum | 
| KOH Prep | Spec. in steril Container | 
| Lacosamide* | 2ml serum / No GelRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Lactic Acid, Plasma* | 2ml frozen plasma from gray top tubeRoom temperature: 3 hours Refrigerated: 7 days Frozen: 90 days  | 
| Lactic Dehydrogenase(LDH), Serum | 1ml serum/ Plasma(heparinized) - Keep at room temperature until analyzed Frozen: Unacceptable  | 
| Lactate Dehydrogenase (LD) Isoenzymes, Serum | 2ml serum RTRoom temperature: 7 days Refrigerated: Unacceptable Frozen: Unacceptable  | 
| Lambda Light Chain Free | 2ml serum / RTRoom temperature: 7 days  Refrigerated: 21 days Frozen: 90 days  | 
| Lamotrigine (Lamictal®), Serum* | 1ml serum / plain red tube/collected 2 to 1 hr before next doseRoom temperature: 48 hours Refrigerated: 5 days Frozen: 14 days  | 
| Lead, Blood (Adult)* | 1 full EDTA tubeRoom temperature: 5 days Refrigerated: 14 days Frozen: 60 days  | 
| Lead, Random Urine | 20ml urineRoom temperature: 48 hours Refrigerated: 5 days Frozen: 14 days  | 
| Legionella pneumophila by DFA | 1 mL serum/ Room temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Legionella Antigen, EIA, Urine | 1 ml urine / RefrigerateRoom temperature: 24 hours Refrigerated: 14 days Frozen: 30 days  | 
| Legionella DNA, Qualitative, Real-Time | 1ml bronchial lavage/wash or sputum Room temperature: 48 hours Refrigerated: 14 days Frozen: 30 days  | 
| Levetiracetam (Keppra©), Serum* | 1ml serum / Plain RedRoom temperature: 14 days refrigerated: 28 days frozen: 60 days Reject Criteria  | 
| Lidocaine | 2ml serum / Plain RedRoom temperature: 72 hours Refrigerated: 7 days Frozen: 30 days  | 
| Lipase, Serum | 1ml serum free from hemolysis Refrigerated: several weeks Frozen: indefintely  | 
| Lipid Panel With Risk Factors w / reflext to Direct LDL | 2 mL serum/ Room Temperature | 
| Lipid Panel With Risk Factors | 1ml serum | 
| Lithium (Eskalith®), Serum | 2ml serum / SSTRoom temperature: 10 days Refrigerated: 10 days Frozen: Not established  | 
| Liver-Kidney Microsomal (LKM-1) AB (IGG) | 1ml serum / Refrigerate | 
| Low-Density Lipoprotein Cholesterol(LDL), Direct | 1ml serum/ Room temperature: 5 days  Refrigerated: 5 days Frozen: 15 days  | 
| Lupus Anticoagulant Evaluation | 3ml frozen Citrated / PPPRoom temperature: Unacceptable  Refrigerated: Unacceptable Frozen: 90 days  | 
| Lupus Anticoagulant, systemic Erythematosus (SLE) comp panel | 3.5ml serum (X4) FrozenRoom temperature: Unacceptable Refrigerated: Unacceptable Frozen: 30 days  | 
| Luteinizing Hormone (LH), Serum | 1ml serumRoom temperature: 8 hrs  Refrigerated: 48 hrs. Frozen: 6 months  | 
| Lyme Disease AB with Reflex | 1ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Lyme Disease AB IgG, Immunoblot | 1ml serum RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Lyme Disease Antibodies IgG, IgM, Immunoblot* |  1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Lymph subset Panel 2 | 5 mL whole blood collect in an EDTA (lavender-top) tube/ Room temperature: 72 hours | 
| Lymph Subset Panel 4 | 5 mL whole blood collected in an EDTA (lavender-top) tube / Room temperature: 72 hours | 
| Lysozyme(Muramidase), Serum | 2ml frozen serm/centrifuge specimenRoom temperature: 24 hours Refrigerated: 15 days Frozen: 18 days  | 
| Magnesium, Serum | 1ml serum/ Serum and plasma  Refrigerated: 7 days  | 
| Magnesium, 24hr Urine with Creatinine | 10 ml urineRoom temperature: 4 days Refrigerated: 7 days Frozen: 90 days  | 
| Magnesium, 24hr Urine without Creatinine | 10ml aliquot of 24hr urineRoom temperature: 4 days Refrigerated: 7 days Frozen: 3 months  | 
| Manganese, Blood | 2ml serum(royal blue tube)Room temperature: 4 hours Refrigerated: 14 days Frozen: 60 days  | 
| Manual Differential / Smear Reveiw | Whole blood from a full EDTA (lavender-top) tube Room temperature: 48 hours  | 
| Measles AB IGG, EIA* | 1ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Measles AB IGM, IF* | 1ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Measles AB IGG & IGM | 1ml serumRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Melanoma-associated Antigen ( TA90) | 1ml serum / plain red / let clot for 1 hr | 
| Meprobamate, Quant, serum | 1ml serum / plain red tubeRoom temperature: 72 hours Refrigerated: 14 days Frozen: 90 days  | 
| Meprobamate, Quant, Urine | 20 ml random urineRoom temperature: 72 hours Refrigerated: 14 days Frozen: 90 days  | 
| Mercury, Blood | 7ml whole bld(royal blue)Room temperature: 5 days Refrigerated: 7 days Frozen: Unacceptable  | 
| Mercury, Urine | Two 7ml urine(acid wash) or metal free | 
| Metanephrines, Fractionated, 24hr urine* | 10 ml urine , 24hrRoom temperature: 7 days (acidified) Refrigerated: 8 days Frozen: 30 days  | 
| Metanephrines , Fractionated, 24 hr Urine | 10ml urine aliquot of 24hr Room temperature: 7 days (acidified) Refrigerated: 8 days Frozen: 30 days  | 
| Metanephrines, Random Urine | 10ml urine(PH<3.0) with 6N HCLRoom temperature: 7 days Refrigerated: 8 days Frozen: 30 days  | 
| Metanephrines, Fractionated, Free, LC/MSMS, Plasma | 2.5 ml Plasma / EDTA TubeRoom temperature: 4 hours Refrigerated: 14 days Frozen: 14 days  | 
| Methotrexate (MTX), Serum | 2ml Frozen serum / Plain Red top TubeRoom temperature: 24 hours Refrigerated: 24 hours Frozen: 5 days  | 
| Microalbumin, Random Urine Without Creatinine | 5 mL random urine - no preservative Refrigerated: 7 days Frozen: 1 Year  | 
| Microalbumin, 24-Hour Urine without Creatinine | 5 mL random urine - no preservative Refrigerated: 7 days Frozen: 1 Year  | 
| Microalbumin/Creatinine Ratio, Random Urine | 5 mL random urine - no preservative Refrigerated: 7 days Frozen: 1 Year  | 
| Microalbumin/Creatinine Ratio, 24hr Urine | 5 mL random urine - no preservative Refrigerated: 7 days Frozen: 1 Year  | 
| Mitochondria M2 Antibody, IGG | 1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Mononucleosis Test, Qualitative | 1 EDTA tube | 
| MRSA, PCR** | Nasal SwabRoom temperature: 24 hours Refrigerated: 5 days Frozen: Unacceptable  | 
| Multiple Sclerosis Panel 1 | 4ml CSF & 2ml serumRoom temperature: 8 hours Refrigerated: 5 days Frozen: 2 weeks  | 
| Multiple Sclerosis Panel 2 | 4ml CSF & 3ml serumRoom temperature: 8 hours Refrigerated: 5 days Frozen: 2 weeks  | 
| Mumps Virus IGM AB | 1ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Mumps Virus IGG, EIA | 1ml serumRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Mumps Antibodies, IGG & IGM | 1ml serumRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Myasthenia Gravis Profile I | 2ml serum / refrigeratedRoom temperature: 4 days  Refrigerated: 14 days Frozen: 30 days  | 
| Myasthenia Gravis Profile II | 2ml serum / refrigeratedRoom temperature: 14 days Refrigerated: 14 days Frozen: 1 year  | 
| Myasthenia Gravis Profile III | 2ml serum / refrigeratedRoom temperature: 4 days Refrigerated: 14 days Frozen: 30 days  | 
| Myocardial AB with reflex to Titer | 2ml serumRoom temperature: 48 hours Refrigerated: 14 days Frozen: 6 months  | 
| Myoglobin, Quantitative, Serum | 1 ml Serum / Stability: Rm Temp: 7days, Ref. 14days, Frozen: 35days | 
| Neisseria gonorrhoeae by RNA , TMA (Male/Female)* | Urine in Aptima kit / Aptima Unisex swabLiquid cytology (Preservcyt®) preservative (ThinPrep®)  Room temperature: 14 days Refrigerated: 30 days Frozen: Not established  | 
| Neisseria gonorrhoeae / Chlamydia, RNA, TMA | Urine in Aptima kit / Aptima Unisex swabLiquid cytology (Preservcyt®) preservative (ThinPrep®) Room temperature: 14 days Refrigerated: 30 days Frozen: Not established  | 
| Neisseria gonorrhoeae (GC), Culture | Urethral, cervical, anorectal, throat or conjunctiva. Collect specimen using a          swab in Amies gel (blue-cap) or eSwab (white-cap) transport medium delivered    within 24 hours of collection .  Transport swab: Room temperature: 24 hours  | 
| Nickel, Random Urine | 7ml Urine in an acid wash or metal free containerRoom temperature: 48 hours Refrigerated: 7 days Frozen: 28 days  | 
| Nickel, 24hr Urine | 7ml Urine in an acid wash or metal free containerRoom temperature: 48 hours Refrigerated: 30 days Frozen: 30 days  | 
| Nicotine and cotinine, LC/MS/MS, Urine | 1ml Random UrineRoom temperature: 72 hours  Refrigerated: 14 days Frozen: 30 days  | 
| Nicotine and cotinine, LC/MS/MS, Serum or Plasma | 1ml Serum in plain red(no gel), or 2ml blood/ EDTASerum and plasma Room temperature: 72 hours Refrigerated: 21 days Frozen: 30 days  | 
| Nortriptyline (Aventyl®), Serum | 2ml serum from red top(no gel)Room temperature: 5 days Refrigerated: 7 days Frozen: 30 days  | 
| N-Telopeptide Serum | 1ml Frozen Serum Frozen: Frozen: 60 days | 
| Nucleotidase, 5' | 1 ml serum, FrozenRoom temperature: Unacceptable Refrigerated: 7 days Frozen: 14 days  | 
| Occult Blood, Stool | 5 gram stool | 
| Organism Identification, Anaerobic Bacteria | Room temperature: 72 hours Refrigerated: 72 hours Frozen: Unacceptable  | 
| Organism Identification, and Susceptibility Bacteria | |
| Organism Identification, Yeast ID | Agarose SlantRoom temperature: 7 days Refrigerated: 7 days Frozen: Unacceptable  | 
| Osmolality, Urine* | 2ml Urine - no preservativeRoom temperature: 7 days Refrigerated: 14 days Frozen: Indefinitely  | 
| Osmolality, Serum* | 1ml  serum, RTRoom temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Osteocalcin, Serum | 1ml serum FrozenRoom temperature: Unacceptable  Refrigerated: 24 hours Frozen 21 days  | 
| Ova and Parasites Examination, Routine* | 10grams stoolStool Room temperature: 6 months Refrigerated: Not recommended Frozen: Unacceptable  | 
| Oxalate, Quantitative, 24-Hour Urine with creatinine | 20ml urine aliquot of 24hrRoom temperature: 6 days Refrigerated: 7 days Frozen: 4 months  | 
| Oxcarbazepines* | 2ml serum, Plain Red (no Gel)Room temperature: 72 hours Refrigerated: 14 days Frozen: 60 days  | 
| ParaInfluenza 1, 2, 3, DFA | 3-4ml nasopharyngeal aspirate / wash or swabV-C-M medium (green-cap) tube          Room temperature: Unacceptable Refrigerated: 4 days Frozen -20° C: Unacceptable Frozen -70° C: 30 days  | 
| Parathyroid Hormone (PTH), Intact | 2 mL serum fre from hemolysis or lipemia                                Room temperature: 4 hrs Refrigerated: 8 hrs Frozen: 6 months  | 
| Parathyroid Hormone(PTH), Intact with Calcium | 2 mL serum fre from hemolysis or lipemia                                Room temperature: 4 hrs Refrigerated: 8 hrs Frozen: 6 months  | 
| Partial Thromboplastin Time, Activated (aPTT) | One full unopened 3.2% sodium citrate (light blue-top) tube Separated platelet poor plasma Room temperature: 4 hours Refrigerated: 4 hours Frozen -20° C: 14 days  | 
| Parietal Cell AB with Titer | 2ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Parvovirus B19 IGM Antibodies* | 2ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Paternity Studies | call lab for instruction | 
| Pentobarbital (Nembutal®), Serum* | 3ml serum / Plain Red top tube / RTRoom temperature: 5 days Refrigerated: 7 days Frozen: Not established  | 
| pH, Body Fluid | 1ml body fluidRoom temperature: 24 hours Refrigerated: 14 days Frozen: 6 months  | 
| pH, Stool | 1 gram StoolRoom temperature: 24 hours Refrigerated: 14 days Frozen: 6 months  | 
| pH, Urine | 10ml urineRoom temperature: 24 hours Refrigerated: 14 days Frozen: 6 months  | 
| Phenobarbital (Luminal®), Serum | 1ml serum - Stability: Refrigerated: 1 month Frozen: 3 months | 
| Phenobarbital (Luminal®), Free | 4 mL serum collected in a red-top tube (no gel)/ Room temperature: 14 days Refrigerated: 14 days Frozen: 14 days  | 
| Phenytoin (Dilantin®), Free, Serum* | 1 mL serum collected in a red-top tube (no gel) Room temperature: 5 days Refrigerated: 10 days Frozen: 30 days  | 
| Phenytoin (Dilantin®), Serum | 1 mL serum  Room temperature: 4 days Refrigerated: 1 month Frozen: up to 3 months  | 
| Phospholipids, Serum* | 1ml serum(refrigerated)/spin w/in 1 hr of collectionRoom temperature: 6 days Refrigerated: 30 days Frozen: 60 days  | 
| Phosphorus, Serum | 1ml serum free from hemolysis - Stability: Room Temperature: 8 hrs refrigerated: 1 week | 
| Phosphorus, 24 hr Urine with creatinine | 10ml aliquot of 24hr urine / collect urine with 6NHCLPreserved Room temperature: 6 months Refrigerated: 3 months Frozen: 6 months  | 
| Phosphorus, Random Urine* | 10ml Random urine / adjust PH to <3 with 6N HCLPreserved Room temperature: 6 months Refrigerated: 6 months Frozen: 6 months  | 
| Pinworm Preparation | Pinworm Paddle consisting of a clear plastic aptulaRoom temperature: 7 days Refrigerated: 7 days Frozen: Unacceptable  | 
| Plasminogen Activator Inhibitor-1(PAI-1) | 1 EDTA(lavender)or ACD(yellow) tube / RT Room temperature: 8 days Refrigerated: 8 days Frozen: Unacceptable  | 
| Plasma Renin Activity | 3ml frozen EDTA PlasmaRoom temperature: 24 hours Refrigerated: 24 hours Frozen: 28 days  | 
| Platelet Antibodies, Qualitative | 2ml serum frozenRoom temperature: Unacceptable Refrigerated: Unacceptable -20° C: 28 days -70° C: 6 months  | 
| Platelet Antibody, Direct flow Cytometry**** | 7ml EDTA whole Bld(RT)Room temperature: 6 days | 
| Platelet Count | 1EDTA(Lavender) TubeRoom temperature: 36 hours Refrigerated: Not established Frozen: Not established  | 
| Pneumococcal Antibodies (Srept. Pneumoniae IGG ab) 14 serotype | 2ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 90 days  | 
| Porphobilinogen (PBG), Quantitative, 24-Hour Urine* | 20 ml aliquot of 24hr / adjust the PH to 6-7Room temperature: Unacceptable Refrigerated: 7 days (pH: 6-7) Frozen: 30 days (pH: 6-7)  | 
| Porphobilinogen (PBG), Quantitative, Random Urine | 10ml random urineRoom temperature: Unacceptable Refrigerated: 7 days Frozen: 30 days  | 
| Porphyrins Fractionated, Quantitative, 24hr Urine | 10ml urine from 24hr / collected in a 5gm NA+ carbonate containerRoom temperature: Unacceptable Refrigerated: 7 days Frozen: 30 days  | 
| Potassium, Serum | 1ml serum or Plasma(heparinized) Refrigerated: 7 days  | 
| Potassium, Random Urine with creatinine | 10ml random urine / no preservativeRoom temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Potassium, 24hr Urine | 10ml urine from 24hr coll / no preservativeRoom temperature: 7 days  Refrigerated: 7 days Frozen: 28 days  | 
| Prealbumin | 1ml serum Refrigerated: 14 days Frozen: 2 months  | 
| Pregnancy Test, Serum (qual) | See HCG | 
| Pregnancy Test, Urine | See HCG | 
| Primidone (Mysoline®), Serum ( includes phenobarbital) | 1ml Serum / RT / Red top tube (no gel)Room temperature: 72 hours Refrigerated: 14 days Frozen: 30 days  | 
| Procainamide (Pronestyl®), Serum*** | 1ml Serum / RT / Red top tube (no gel)Room temperature: 4 days Refrigerated: 7 days  | 
| Progesterone | 1ml serum / Room temperature: 8 hours  Refrigerated: 48 hrs Frozen: 28 days Do not add on Progesterone testing to a barrier gel specimen older than 72 hours  | 
| Proinsulin | 1ml frozen serum / over night fastingSerum: Room temperature: 1 day Refrigerated: 3 days Frozen: 6 months Plasma: Room temperature: 5 days Refrigerated: 5 days Frozen: 4 weeks  | 
| Prolactin, Serum | 1ml Serum / overnight fasting preferredRoom temperature: 8 hrs  Refrigerated: 48 hrs Frozen: 28 days  | 
| Propoxyphene (Darvon®) Screen, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Prostate-Specific Antigen (PSA) Total, Serum | 1ml Serum  Refrigerated: 24 hrs Frozen: 5 months  | 
| Prostate-Specific Antigen (PSA), Free and Total | 2ml Serum - Specimen Stability: Specimen should be refrigerated w/in 3 hrs Refrigerated: 24 hours Frozen: 5 months  | 
| Protein C Activity | 1ml Plasma(lt. Blue), Frozen / PPPRoom temperature: Unacceptable Refrigerated: Unacceptable Frozen -20° C: 14 days Frozen -70° C: 1 year  | 
| Protein C Antigen | 1ml Citrated PPP(frozen)Room temperature: Unacceptable Refrigerated: Unacceptable Frozen -20° C: 14 days Frozen -70° C: 1 year  | 
| Protein Electrophoresis, 24-Hour Urine(UPEP)* | 10ml urine from 24hr collRoom temperature: 4 days  Refrigerated: 5 days Frozen: 30 days  | 
| Protein Electrophoresis, Random Urine(UPEP) | 10 ml UrineRoom temperature: 4 days Refrigerated: 5 days Frozen: 30 days  | 
| Protein Electrophoresis, Serum (SPEP)* | 1ml serumRoom temperature: 5 days Refrigerated: 7 days Frozen: 28 days  | 
| Protein S Activity | 1ml Citrated PPP(frozen)Room temperature: Unacceptable Refrigerated: Unacceptable Frozen -20° C: 30 days Frozen -70° C: 1 year  | 
| Protein, Total, Random Urine | 10 mL urine from a well-mixed random collection - no preservative Room temperature: 7 days Refrigerated: 1 month  | 
| Protein, Total, Quantitative, 24-Hour Urine | 10 mL urine aliquot from a well-mixed, 24-hour collection - no preservative Room temperature: 4 days Refrigerated: 5 days Frozen: 30 days  | 
| Protein, Total, Serum | 1ml serum/ Room temperature: 7 days  Refrigerated: 1 month  | 
| Prothrombin Antibodies, IgG and IgM | 1ml frozen Citrated PPPRoom temperature: 2 days  Refrigerated: 14 days Frozen: 21 days  | 
| Prothrombin Time (PT) with INR | One full unopened 3.2% sodium citrate (light blue-top) tube Room temperature: 24 hours  | 
| Protoporphyrin, Zinc (Zinc Protoporphyrine / ZPP) | 2ml whole bld(EDTA tube) protect from lightRoom temperature: 4 days  Refrigerated: 10 days Frozen: Unacceptable  | 
| Pyruvic Acid, Blood | 3ml EDTA whole blood mixed with 2 ml PerchloricRoom temperature: Unacceptable Refrigerated: 30 days Frozen: 90 days  | 
| Q Fever (Coxiella burnetii) Antibodies (IgG, IGM) with Titers | 1ml serum / RefrigeratedRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Quinidine, Serum | 1ml serum / plain red tube (no gel)Room temperature: 4 days Refrigerated: 7 days Frozen: Not established  | 
| Quest Assure D 25 Hydroxvitamin D (D2,D3) | 0.5 ml serumRoom temperature: 21 days Refrigerated: 21 days Frozen: 21 days  | 
| Rapid Plasma Reagin (RPR) Test With Reflex to | 1ml SerumRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Rapid Plasma Reagin (RPR) Test | 1ml Serum | 
| Rapamycin-Sirolimus | 2ml EDTA whole bld(refr) / draw 1 hr prior to next dosageRoom temperature: 5 days Refrigerated: 7 days Frozen: 30 days  | 
| Red Blood Cell (RBC) Count | Whole blood full EDTA (lavender-top) tube Room temperature: 2 days  | 
| Reducing Substance, Urine | 10 ml Urine / RefrigeratedRoom temperature: 72 hours preserved specimen Refrigerated: 24 hours unpreserved pediatric specimen  | 
| Reducing Substance Fece | 10gram Fresh Stool / Frozen Room temperature: 4 hours  Refrigerated: 24 hours Frozen: 60 days  | 
| Renal Function Panel | 2 mL serum Room temperature: 24 hours Refrigerated: 72 hours Frozen: 28 days  | 
| Renin (Plasma Renin Activity, LC,MS,MS) | 2ml frozen EDTA plasmaRoom temperature: 24 hours Refrigerated: 24 hours Frozen: 28 days  | 
| Respiratory Syncytial Virus (RSV) AG by EIA | 3-4ml nasopharyngeal wash in VCM medium(green Cap or equivalent) tube or | 
| Reticulin Antibodies, IGG with reflex to titer | 1ml SerumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Reticulin Antibodies, IGA with reflex to titer | 1ml serumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Reticulocyte Count | 5ml EDTA whole Bld.Room temperature: 48 hours Refrigerated: Not established Frozen: Not established  | 
| Rheumatoid Arthritis (RA) Factor,( RF) | 1ml Serum/ Room temperature: 1 day Refrigerated: 8 days Frozen: 90 days  | 
| Ribosomal P Antibody | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Rotovirus Antigen Detect | Stool Spec or Rectal swab collected Room temperature: Unacceptable Refrigerated: 72 hours Frozen -20° C: Indefinitely Frozen -70° C: Indefinitely  | 
| Rubella Antibodies, IgG (Rubella Immune Status) | 1ml SerumRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Rubella Antibody, IgM | 1ml SerumRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Rubeola Antibodies, IgG | SEE Measles AB, IGGRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Rubeola Antibodies, IgM | SEE Measles AB, IGMRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Salicylate, Serum* | 2ml Serum / no gel / collect just prior to next doseRoom temperature: 7 days Refrigerated: 7 days Frozen: 7 days  | 
| Salmonella Total Antibodies, EIA | 1ml SerumRoom temperature: 7 days  Refrigerated: 14 days Frozen: 30 days  | 
| Scleroderma Antibodies(SCL-70) | 1ml SerumRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Sedimentation Rate, Westergren | Whole blood:  Full EDTA (lavender-top) tube / Room temperature: 24 hours  Refrigerated: 24 hours  | 
| Serotonin, Whole Blood* | Call Lab for collection instructionsRoom temperature: Frozen only Refrigerated: Frozen only Frozen: 6 weeks  | 
| SGOT(AST) | 1ml Serum / Specimen Stability: Room Temperature: 1 day Refrigerated 4 weeks frozen 1 year | 
| SGPT(ALT) | 1ml Serum or Plasma(EDTA) free from hemolysis/   Serum - Refrigerated: 3 days Plasma - Room Temp or Refrigerated: 7 days  | 
| Shiga Toxins, EIA W/ Reflex to E Coli O157, Culture | 1 gram or 1 mL stool in Cary-Blair transport stool culture transport medium / Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable  | 
| Sickle Cell Screen* | 1 EDTA(lavender) Tube / RTRoom temperature: 7 days  Refrigerated: 30 days -20° C: Not established -70° C: Not established  | 
| Sjogren's Antibodies(Anti-SSA / Anti-SSB) | 1ml Serum / RTRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| SM and SM/RNP Antibodies | 1ml Serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Smooth Muscle Antibody w/refl to Titer | 1ml Serum / RTRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Sodium, Random Urine with creatinine | 10ml Urine / RTRoom temperature: 7 days  Refrigerated: 7 days Frozen: 28 days  | 
| Sodium, Serum | 1ml Serum/ Serum or plasma Refrigerated: 7 days  | 
| Specific Gravity, Urine | 10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)/ Room temperature: 72 hours preserved specimen  Refrigerated: 24 hours unpreserved pediatric specimen  | 
| St Louis Encephalitis Virus Antibodies, IgG, IGM | 1ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Streptococcus Screen, Rapid | Throat Swab | 
| Streptococcus Group B Culture (Group B strept) | Obtain one/ two swabs using either a red cap, Amies liquid transport swab or blue cap, Amies gel swab of the vaginal introitus and the anorectum as recommended by CDC. Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Streptococcus Pneumoniae IGG AB (14 Serotype), MAID | 1 ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 90 days  | 
| stretococcus Pneumoniae IGG AB (7 Serotypes), MAID | 1 ml serum / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 90 days  | 
| Stool Culture, Comprehensive (salmonella and Shigella) | SEE Culture, StoolStool or swab in Cary-Blair Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable  | 
| Streptozyme Screen | 1ml SerumRoom temperature: 2 hours for CSF - not established for serum Refrigerated: 48 hours Frozen: 7 days  | 
| Striated AB Titer | 1ml SerumRoom temperature: 4 days Refrigerated: 7 days Frozen -20° C: 30 days Frozen -70° C: Indefinite  | 
| Stool Culture, Vibrio Only | Stool submitted in Cary-Blair stool culture transport medium/ Stool or swab in Cary-Blair Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable Swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Stool Culture, Yersinia Only | Stool collected in Cary-Blair stool culture transport medium/ Stool or swab in Cary-Blair Room temperature: 4 days Refrigerated: 4 days Frozen: Unacceptable Swab in Amies Room temperature: 48 hours Refrigerated: 48 hours Frozen: Unacceptable  | 
| Susceptibility Aerobic Organism | |
| Susceptibility Anaerobic Organism | |
| Sex Hormone Binding Globulin (SHBG) | Serum or Plasma(Heparinized) Room Temperature: 8 hrs, Refrigerated: 7 days, Frozen: 28 days | 
| T and B Cells, Total | 1 5ml whole blood EDTA / Room TemperatureRoom temperature: 72 hours Refrigerated: Unacceptable Frozen: Unacceptable  | 
| T Pallidium AB by MHA | 2ml Serum / RTRoom temperature: 7 days  Refrigerated: 7 days Frozen: 30 days  | 
| T3 Uptake | 1ml Serum/ SST or Plasma/ Room temperature: 12 hrs Refrigerated: 7 days Frozen: 30 days  | 
| T4(Thyroxine), Total | 1ml Serum/ SST or Plasma/ Room temperature: 12 hrs Refrigerated: 7 days Frozen: 30 days  | 
| Tay-Sachs Mut. Analysis | 5ml whole blood EDTA / RTRoom temperature: 8 days  Refrigerated: 8 days Frozen: Unacceptable  | 
| TA90 (Melanoma-Associated Antigen)Immune Complex* | 1ml Serum(RTT)Refr. /Plain Red/ centrifuge w/in 1hr | 
| Tegretol, Serum (Carbamazepine) | See Carbamazepine | 
| Testosterone, Free (Direct), Serum (With Total Testosterone | 1ml Serum or Plasma(Heparinized) Room Temperature: 8 hrs. Refrigerated: 48hrs. | 
| Testosterone, Total, Serum | 1ml Serum or Plasma(Heparinized) Room Temperature: 8 hrs. Refrigerated: 48hrs. | 
| Tetanus Antitoxoid | 1ml SerumRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Theophylline, Serum | 1ml Serum Refrigerated: 30 days Frozen: 90 days  | 
| THC, Urine | 20mls Urine sample collected in a plastic(Polypropylene, Polycarbonate or Polyethelyne) container. Room Temperature: 7days, Frozen: 1 year | 
| Thyroglobulin Panel (Thyroglobulin, Thyroglobulin Abs) | 2ml SerumRoom temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Thyroglobulin, Antibody | 1ml Serum/Room temperature: 8 hrs Refrigerated: 48 hrsdays Frozen: 28 days  | 
| Thyroid Panel(T4, Total, T3uptake, Free thyroxin index) | 1ml Serum/ Room temperature: 72 hours Refrigerated: 7 days Frozen: 30 days  | 
| Thyroid Panel With TSH | 1ml Serum | 
| Thyroid Peroxidase (TPO) Antibodies | 1ml Serum/Room temperature: 8 hrs Refrigerated: 48 hrsdays Frozen: 28 days  | 
| Thyroid-Stimulating Hormone (TSH) | 1ml Serum/ Room temperature: 8 hrs. Refrigerated: 48 hrs  | 
| Thyroxine (T4), Total | 1ml Serum/ SST or Plasma/ Room temperature: 12 hrs Refrigerated: 7 days Frozen: 30 days  | 
| Thyroxine (T4) Free, Serum | 1ml Serum/Room temperature: 8 hrs Refrigerated: 48 hrsdays Frozen: 28 days  | 
| Thyroxine-Binding Inhibitory Immunoglobulin(TBII) | 1ml Serum RefrigeratedRoom temperature: 48 hours Refrigerated: 7 days Frozen: 30 days  | 
| Thyroxine-Binding Globulin (TBG), Serum** | 1ml Serum / RTRoom temperature: 7 days Refrigerated: 7 days Frozen: 30 days  | 
| Tobramycin (Nebcin®), Serum, Peak | 1 mL serum collected in a red-top tube (no gel)/ Plastic screw-cap vial/ Room temperature: 7 days  Refrigerated: 7 days Frozen: 7 days  | 
| Tobramycin (Nebcin®), Serum, Trough | 1 mL serum collected in a red-top tube (no gel)/ Plastic screw-cap vial  Refrigerated: 7 days Frozen: 1 month  | 
| Topiramate (Topamax®), Serum | 1ml Serum / Plain Red / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 30 days  | 
| Toxoplasma Antibodies, IgG | 1ml Serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Toxoplasma Antibodies, IgM | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Toxoplasma Antibodies, IGG, IGM | 1ml Serum/ Plastic screw-cap vial/ Room Temperature | 
| Total Protein, Serum | See Protein, Total | 
| Transferrin | 1ml Serum Specimen Stability: Frozen: 40 days  | 
| Trazodone (Desyrel®), Serum* | 1ml Serum / Plain red / RTRoom temperature: 7 days Refrigerated: 14 days Frozen: 60 days  | 
| Tricyclic Antidepressants Panel (3) | 3ml Serum / Plain Red / RTRoom temperature: 5 days Refrigerated: 5 days Frozen: Not established  | 
| Triglycerides | 1ml Serum  Refrigerated: 7 days Frozen: 90 days  | 
| Tri-iodothyronine (T3), Total | 1ml Serum or Plasma(heparinized)/ Room temperature: 8 hrs Refrigerated: 48 hrs  | 
| Tri-iodothyronine (T3), Free, Serum | 1ml Serum/Room temperature: 8 hrs Refrigerated: 48 hrsdays Frozen: 28 days  | 
| Tri-iodothyronine(T3), Reverse | 1ml Serum / RTRoom temperature: 7 days Refrigerated: 7 days Frozen: 30 days  | 
| Troponin I | 1 mL serum/ Room temperature: 2 hours Refrigerated: 24 hrs Frozen: 6 months  | 
| Trypsin | 1ml Serum / Plain red / Refrigerated.Room temperature: 7 days Refrigerated: 7 days Frozen: 28 days  | 
| Tryptophan | 2ml Frozen Plasma / NA+ Heparin or EDTA / overnight fastingRoom temperature: Unstable Refrigerated: 7 days Frozen: 30 days  | 
| TSI(Thyroid Stimulating Immunoglobulin) | 1ml Serum / RefrigeratedRoom temperature: Unacceptable Refrigerated: 21 days Frozen: 60 days  | 
| Tissue Transglutaminase(tTG)Antibody, IGA** | 1ml Serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Tissue Transglutaminase(tTG)Antibody, IGG** | 1ml Serum / RTRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Typhus Fever (Rickettsia Antibodies), IGG & IGM w/ reflex to titer | 1ml Serum / RTRRoom temperature: 7 days  Refrigerated: 14 days Frozen: 30 days  | 
| Tyrosine* | 2ml Plasma(Na Heparine) or EDTA / FrozenRoom temperature: Unstable Refrigerated: 7 days Frozen: 30 days  | 
| Urea Nitrogen w/o creatinine, 24-Hour Urine* | 10ml Urine from a 24hrRoom temperature (unpreserved): 24 hours (including collection time) Refrigerated: 7 days Frozen: 15 months  | 
| Urea Nitrogen(BUN), Serum | 1ml Serum/ Serum and plasma free from Plasma Room temperature: 24 hrs Refrigerated: 3 days Frozen: 90 days  | 
| Uric Acid, Body Fluid | body fluidsRoom temperature: 10 days Refrigerated: 10 days Frozen: Unacceptable  | 
| Uric Acid, Serum | 1ml Serum or heparinized Plasma  Refrigerated: 3-5 days Frozen: 6 months  | 
| Urinalysis, Complete (With Microscopic Examination) | 10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)/ Yellow-top, blue fill line urinalysis transport tube/ Room temperature: 72 hours preserved specimen Refrigerated: 24 hours unpreserved pediatric specimen  | 
| Urinalysis, Complete with reflex to C&S | 12ml Urine and 1 Gray top tube | 
| Urinalysis W / Reflex to Microscopic | 10 mL urine - Urinalysis transport tube (yellow-top, blue fill line, preservative tube)/ Yellow-top, blue fill line urinalysis transport tube/ Room temperature: 72 hours preserved specimen Refrigerated: 24 hours unpreserved pediatric specimen  | 
| Valproic Acid (Depakene®), Serum | 1 mL serum or Plasma(Heparinized) Specimen must transported at 2-8oC Frozen: 1 Year  | 
| Vancomycin (Vancocin®), Serum, Peak | 1 mL serum or Plasma(heparinized) Refrigerated: 3 days Frozen: 30 days  | 
| Vancomycin (Vancocin®), Serum, Trough | 1 mL serum or Plasma(heparinized) Refrigerated: 3 days Frozen: 30 days  | 
| Vanillylmandelic Acid (VMA), 24hr Urine w.creatinine | 10ml 24hr Urine(PH<3.0) / collected with 6N HClRoom temperature: 10 days  Refrigerated: 14 days Frozen: 1 year  | 
| Vanillylmandelic Acid (VMA), 24hr Urine without creatinine | 20ml  urine / PH adjusted to <3.0 using 6N HClRoom temperature: 10 days  Refrigerated: 14 days Frozen: 1 year  | 
| VAP Cholestrol Test | 5 ml serum / SST (10-12)hrs fasting for Trig.Room temperature: 24 hours Refrigerated: 7 days Frozen -20° C: 14 days Frozen -70° C: 1 year  | 
| Varicella-Zoster Virus (VZV) Antibodies, IgM | 1ml Serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Varicella-Zoster Virus (VZV) Antibodies, IgG | 1ml Serum / RTRoom temperature: 4 days  Refrigerated: 7 days Frozen: 30 days  | 
| Varicella-Zoster Virus (VZV) Antibodies, IgG and IGG | 1ml serum / RTRoom temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Venipuncture | |
| Vitamin A(Retinol)* | 2ml serum wraped in foil / RefrigeratedRoom temperature: 24 hours Refrigerated: 7 days Frozen: 1 year  | 
| Vitamin B1 (Thiamine), Plasma* | 3ml Frozen Plasma(EDTA) / protect from lightRoom temperature: 8 hours  Refrigerated: 48 hours Frozen: 30 days  | 
| Vitamin B12 | 1 mL serum/ Room temperature: 8 hrs. Rrefrigerated: 24 hrs Frozen: 28 days  | 
| Vitamin B12 and Folates | See B12 and Folate specimen type and handeling | 
| Vitamin B6, Plasma* | 1ml Frozen Plasma(EDTA) / Protect from Light Room temperature: 6 hours  Refrigerated: 12 hours Frozen -20°: 6 days Frozen -70°: 42 days  | 
| Vitamin C, Serum | 2ml frozen serum / overnight fasting is preferredRoom temperature: 6 hours  Refrigerated: 12 hours Frozen -20°: 6 days Frozen -70°: 42 days  | 
| Vitamin D, 1,25 Dihydroxy | See 1,25 Dihydroxy Vit DRoom temperature: 28 days Refrigerated: 28 days Frozen: 28 days  | 
| Vitamin D, 25-Hydroxy | 0.8 mL serum/  Room temperature: 3 days Refrigerated: 7 days Frozen: 12 months  | 
| Vitamin E, Serum* | 2ml Serum / protect from light / refrigeratedRoom temperature: 24 hours  Refrigerated: 7 days Frozen: 1 year  | 
| von Willebrand Factor (VWF) Antigen | 1ml frozen PPP Citrated Plasm / fasting preferreRoom temperature: 24 hours Refrigerated: 24 hours Frozen: 21 daysd  | 
| W | |
| White Blood Cell (WBC) Count | Whole blood from a full EDTA (lavender-top) tube/ Room temperature: 48 hours | 
| White Blood Cells (WBC), Stool | 1gram Stool | 
| West Nile Virus Antibodies (IGG, IGM), serum | 1 ml serum / Refrigerated Room temperature: 4 days Refrigerated: 7 days Frozen: 30 days  | 
| Wet Prep and KOH | Vaginal Swab | 
| Xylose(d-Xylose absorption), Fasting (B) | 4ml whole bld / collected in NA+ flourideRoom temperature: 7 days Refrigerated: 7 days Frozen: 30 days  | 
| ZAP-70 | 5ml EDTA whole BloodRoom temperature: 72 hours Refrigerated: Unacceptable Frozen: Unacceptable  | 
| Zinc, Plasma | 1ml Plasma Collected in Room temperature: 5 days Refrigerated: 10 days Frozen: 30 days  | 
| Zinc, Random Urine | 7ml second void UrineRoom temperature: 5 days Refrigerated: 10 days Frozen: 30 days  | 
| Amylase, Serum | 	1ml serum free from hemolysis Refrigerated: several weeks Frozen: indefintely  | 


