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Phlebotomy Tests
Tube Colors
| Test | Tube Color |
|---|---|
| Blood culture | Blood culture bottles (two bottles, aerobic and anaerobic) or two yellow SPS tubes |
| Ethanol/alcohol (ETOH) | Gray |
| Lactate (lactic acid) (Lact) | Gray; arterial blood gas syringe |
| Vitamin B6 | Green |
| pH | Green; non-gel |
| Direct antihuman globulin test (DAT) or direct Coombs | Lavender |
| Antidiuretic hormone (ADH) | Lavender |
| Hemoglobin A1c | Lavender |
| Hemoglobin electrophoresis | Lavender |
| Parathyroid hormone (PTH) | Lavender |
| Complete blood count (CBC) | Lavender |
| Differential (Diff) | Lavender |
| Erythrocyte sedimentation rate (ESR) | Lavender |
| Glucose-6-phosphate dehydrogenase(G6PD) | Lavender |
| Hematocrit (Hct) | Lavender |
| Hemoglobin (Hgb) | Lavender |
| Hemoglobin/hematocrit (H&H); Hgb/Hct | Lavender |
| Platelet (Plt) | Lavender |
| Red blood cell (RBC) count | Lavender |
| Reticulocyte count (Retic) | Lavender |
| Sickle cell screening | Lavender |
| White blood cell (WBC) count | Lavender |
| T-cell count | Lavender |
| Ammonia (NH3) | Lavender or green |
| Antibody identification (ID)/screen | Lavender or pink |
| Blood group and type (ABO and Rh) | Lavender or pink |
| Adrenocorticotropic hormone (ACTH) | Lavender, siliconized glass or plastic |
| Carbon monoxide (CO) | Lavender; green |
| Cyclosporine | Lavender; green |
| Crossmatch | Lavender; pink |
| Homocysteine (Hcy) | Lavender; serum (red or gold) gel barrier tube; red |
| Viral load | Lavender; white plasma preparation tube; serum (red or gold) gel barrier tube |
| Brain natriuretic peptide (BNP) | Lavender; white plasma preparation tube; serum gel (red or gold) barrier tube |
| Type and screen | Lavender/pink |
| Factor assays | Light blue |
| Fibrinogen | Light blue |
| Antithrombin III | Light blue |
| D-Dimer (D-DI) | Light blue |
| Disseminated intravascular coagulation (DIC) panel | Light blue |
| Heparin anti-Xa assay | Light blue |
| International normalized ratio (INR) | Light blue |
| Partial thromboplastin time (PTT); activated partial thromboplastin time (APTT) | Light blue |
| Plasminogen | Light blue |
| Prothrombin time (PT) | Light blue |
| Platelet (Plt) aggregation | Light blue and lavender |
| Aluminum (Al) | Plain royal blue |
| Zinc | Plain royal blue |
| Chromium (Cr) | Plain royal blue; EDTA royal blue |
| Porphyrins | Plasma (green) gel barrier tube |
| MI panel (CK isoenzyme [CK-MB], myoglobin [Myo], troponin [Tn]) | Plasma (green) gel barrier tube; white plasma preparation tube; lavender |
| Alanine aminotransferase (ALT) | Plasma (green) or serum (red or gold) gel barrier tube |
| Albumin | Plasma (green) or serum (red or gold) gel barrier tube |
| Alkaline phosphatase (ALP) | Plasma (green) or serum (red or gold) gel barrier tube |
| Amylase | Plasma (green) or serum (red or gold) gel barrier tube |
| Aspartate aminotransferase (AST) | Plasma (green) or serum (red or gold) gel barrier tube |
| Basic metabolic panel (BMP) | Plasma (green) or serum (red or gold) gel barrier tube |
| Beta human chorionic gonadotropin (beta hCG) | Plasma (green) or serum (red or gold) gel barrier tube |
| Blood urea nitrogen (BUN) | Plasma (green) or serum (red or gold) gel barrier tube |
| Calcium | Plasma (green) or serum (red or gold) gel barrier tube |
| Chemistry panels (cardiac, hepatic, metabolic, and renal) | Plasma (green) or serum (red or gold) gel barrier tube |
| Cholesterol | Plasma (green) or serum (red or gold) gel barrier tube |
| Comprehensive metabolic panel (CMP) | Plasma (green) or serum (red or gold) gel barrier tube |
| Creatine kinase (CK) | Plasma (green) or serum (red or gold) gel barrier tube |
| Creatinine (Creat) | Plasma (green) or serum (red or gold) gel barrier tube |
| Electrolytes (Lytes) Na, K, Cl, CO2 | Plasma (green) or serum (red or gold) gel barrier tube |
| Ferritin | Plasma (green) or serum (red or gold) gel barrier tube |
| Human chorionic gonadotropin (hCG) | Plasma (green) or serum (red or gold) gel barrier tube |
| Iron | Plasma (green) or serum (red or gold) gel barrier tube |
| Iron-binding capacity | Plasma (green) or serum (red or gold) gel barrier tube |
| Lactate dehydrogenase (LD) | Plasma (green) or serum (red or gold) gel barrier tube |
| Lipoproteins (high-density lipoprotein [HDL], low-density lipoprotein [LDL], very-low density lipoprotein [VLDL]) | Plasma (green) or serum (red or gold) gel barrier tube |
| Phosphorus | Plasma (green) or serum (red or gold) gel barrier tube |
| Thyroid-stimulating hormone/Free T4 (TSH/T4) | Plasma (green) or serum (red or gold) gel barrier tube |
| Triglycerides | Plasma (green) or serum (red or gold) gel barrier tube |
| Bilirubin, total and direct (Bili) | Plasma (green) or serum (red or gold) gel barrier tube; amber or green microcollection tube |
| Digoxin | Plasma (green) or serum (red or gold) gel barrier tube; red |
| Immunoglobulin levels | Plasma (green) or serum (red or gold) gel barrier tube; red |
| Lipase | Plasma (green) or serum (red or gold) gel barrier tube; red |
| Potassium | Plasma (green) or serum (red or gold) gel barrier tube; red |
| Sodium | Plasma (green) or serum (red or gold) gel barrier tube; red |
| Quantitative protein assay C3, C4, Immunoglobulins (IgG, IgA, IgM), haptoglobin | Plasma (green) or serum (red or gold) gel barrier tube; red |
| Fasting blood sugar (FBS) | Plasma (green) or serum (red or gold) gel barrier tube; red; gray; lavender |
| Glucose | Plasma (green) or serum (red or gold) gel barrier tube; red; gray; lavender |
| Vitamin B12 | Plasma (green) or serum (red or gold)gel barrier tube; red |
| Aldosterone | Red |
| Calcitonin | Red |
| Carbamazepine (Tegretol) | Red |
| Drug screen | Red |
| Salicylate (aspirin) | Red |
| Valproic acid (Depakote) | Red |
| Vitamin A | Red |
| Anti-HIV | Red |
| Antistreptolysin O (ASO) titer | Red |
| Cold agglutinins | Red |
| Febrile antibody panel | Red |
| Western blot | Red |
| Antibiotic assays (amikacin, gentamicin, theophylline, tobramycin, vancomycin) | Red; clear non-gel microcollection tube |
| Therapeutic drugs (digoxin, theophylline [theo], phenobarbital, phenytoin [Pheny], carbamazepine [Carb], valproic acid [val ac]) | Red; clear non-gel microcollection tube |
| Cryoglobulin | Red; lavender |
| Lead (Pb) | Royal blue EDTA; tan EDTA; lavender microcollection tube |
| Acid phosphatase | Serum (red or gold) gel barrier tube |
| Alpha-fetoprotein (AFP) | Serum (red or gold) gel barrier tube |
| Apo-A, Apo-B lipoprotein | Serum (red or gold) gel barrier tube |
| Carcinoembryonic antigen (CEA) | Serum (red or gold) gel barrier tube |
| Complement levels | Serum (red or gold) gel barrier tube |
| Creatine kinase isoenzymes (CK-MB, CK-MM, CK-BB) | Serum (red or gold) gel barrier tube |
| Gastrin | Serum (red or gold) gel barrier tube |
| Insulin | Serum (red or gold) gel barrier tube |
| Prostate-specific antigen (PSA) | Serum (red or gold) gel barrier tube |
| Prostatic acid phosphatase (PAP) | Serum (red or gold) gel barrier tube |
| Protein | Serum (red or gold) gel barrier tube |
| Testosterone | Serum (red or gold) gel barrier tube |
| Total protein (TP) | Serum (red or gold) gel barrier tube |
| Uric acid | Serum (red or gold) gel barrier tube |
| Vitamin D | Serum (red or gold) gel barrier tube |
| Troponin I and T | Serum (red or gold) gel barrier tube; lavender; white plasma preparation tube |
| Angiotensin-converting enzyme (ACE) | Serum (red or gold) gel barrier tube; red |
| C-peptide | Serum (red or gold) gel barrier tube; red |
| C-reactive protein | Serum (red or gold) gel barrier tube; red |
| Cancer antigen (CA-125) | Serum (red or gold) gel barrier tube; red |
| Carotene, beta | Serum (red or gold) gel barrier tube; red |
| Cortisol | Serum (red or gold) gel barrier tube; red |
| Folate | Serum (red or gold) gel barrier tube; red |
| Gamma-glutamyl transpeptidase (GGT) | Serum (red or gold) gel barrier tube; red |
| Lithium (Li) | Serum (red or gold) gel barrier tube; red |
| Magnesium | Serum (red or gold) gel barrier tube; red |
| Myoglobin | Serum (red or gold) gel barrier tube; red |
| Osmolality | Serum (red or gold) gel barrier tube; red |
| Protein electrophoresis | Serum (red or gold) gel barrier tube; red |
| Anti-hepatitis A virus | Serum (red or gold) gel barrier tube; red |
| Anti-hepatitis B surface antigen | Serum (red or gold) gel barrier tube; red |
| Anti-hepatitis C virus | Serum (red or gold) gel barrier tube; red |
| Antinuclear antibody (ANA) | Serum (red or gold) gel barrier tube; red |
| Epstein-Barr virus panel | Serum (red or gold) gel barrier tube; red |
| Fluorescent antinuclearantibody (FANA) | Serum (red or gold) gel barrier tube; red |
| Fluorescent treponemal antibody-absorption (FTA-ABS) | Serum (red or gold) gel barrier tube; red |
| Hepatitis B core antibody | Serum (red or gold) gel barrier tube; red |
| Hepatitis B surface antibody | Serum (red or gold) gel barrier tube; red |
| Hepatitis B surface antigen | Serum (red or gold) gel barrier tube; red |
| Mononucleosis screen (Mono test) | Serum (red or gold) gel barrier tube; red |
| Rapid plasmin reagin (RPR) | Serum (red or gold) gel barrier tube; red |
| Rheumatoid factor (RF) | Serum (red or gold) gel barrier tube; red |
| Rubella titer | Serum (red or gold) gel barrier tube; red |
| Venereal Disease ResearchLaboratory (VDRL) | Serum (red or gold) gel barrier tube; red |
| Ionized calcium (iCA2+) | Serum (red or gold) gel barrier tube; red; arterial blood gas syringe |
| Copper | Serum royal blue |
| Fibrin degradation product (FDP) | Special light blue tube with thrombin |