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Ask your administrator if you think this is wrong. ====== Laboratory values ====== Acetylcholinesterase (ACE), RBC Blood 26.7–49.2 U/g Hb — Acid phosphatase Serum 0.5–5.5 U/L 0–0.9 mckat/L Activated partial thromboplastin time (aPTT) Plasma 25–36 sec — Adrenocorticotropic hormone (ACTH) Serum 9–52 pg/mL (morning draw) 2–11 pmol/L (morning draw) Albumin Serum 3.5–5.4 g/dL 35–54 g/L Aldosterone Standing Serum 7–20 ng/dL 194–554 pmol/L Supine Serum 2–5 ng/dL 55–138 pmol/L Alkaline phosphatase (ALP) Serum 36–150 U/L 0.5–2.5 mckat/L Alpha-1 antitrypsin (AAT) Serum 83–199 mg/dL 15.3–36.6 mcmol/L Alpha fetoprotein (AFP) Serum 0–20 ng/dL 0–20 pg/L δ-Aminolevulinic acid (ALA) Serum 15–23 mcg/L 1.14–1.75 mcmol/L Aminotransferase, alanine (ALT) Serum 0–35 U/L 0–0.58 pkat/L Aminotransferase, aspartate (AST) Serum 0–35 U/L 0–0.58 pkat/L Ammonia Plasma 40–80 mcg/dL 23–47 mcmol/L Amylase Serum 0–130 U/L 0–2.17 mckat/L Antibodies to extractable nuclear antigen (AENA) Serum < 20.0=""> — Anti–cyclic citrullinated peptide (anti-CCP) antibodies Serum ≤ 5.0 units — Antidiuretic hormone (ADH; arginine vasopressin) Plasma < 1.7=""> < 1.57=""> Anti–double-stranded DNA (dsDNA) antibodies, IgG Serum < 25=""> — Antimitochondrial M2 antibodies Serum < 0.1=""> — Antineutrophil cytoplasmic antibodies (cANCA) Serum Negative — Antinuclear antibodies (ANA) Serum ≤ 1.0 units — Anti–smooth muscle antibodies (ASMA) titer Serum ≤ 1:80 — Antistreptolysin O titer Serum < 150=""> — Antithyroid microsomal antibody titer Serum <> — α1-Antitrypsin (AAT) Serum 83–199 mg/dL 15.3–36.6 mcmol/L Apolipoproteins: A-I, females Serum 98–210 mg/dL 0.98–2.1 g/L A-I, males Serum 88–180 mg/dL 0.88–1.8 g/L B-100, females Serum 44–148 mg/dL 0.44–1.48 g/L B-100, males Serum 55–151 mg/dL 0.55–1.51 g/L Bicarbonate Serum 23–28 mEq/L 23–28 mmol/L Bilirubin: Direct Serum 0–0.3 mg/dL 0–5.1 mcmol/L Total Serum 0.3–1.2 mg/dL 5.1–20.5 mcmol/L Blood volumes (radioisotope labeling): Plasma, females* Blood 28–43 mL/kg body wt 0.028–0.043 L/kg body wt Plasma, males* Blood 25–44 mL/kg body wt 0.025–0.044 L/kg body wt RBCs, females* Blood 20–30 mL/kg body wt 0.02–0.03 L/kg body wt RBCs, males* Blood 25–35 mL/kg body wt 0.025–0.035 L/kg body wt Brain (B-type) natriuretic peptide (BNP) Plasma < 100=""> — Calcitonin, age ≥ 16 yr: Females Serum < 8=""> — Males Serum < 16=""> — Calcium Serum 9–10.5 mg/dL 2.2–2.6 mmol/L Cancer antigen (CA): CA 125 Serum < 35=""> — CA 15-3 Serum < 30=""> — Carbon dioxide (CO2) content Serum 23–28 mEq/L 23–28 mmol/L Carbon dioxide partial pressure (PCO2) Blood 35–45 mm Hg — Carboxyhemoglobin Plasma 0.5–5% — Carcinoembryonic antigen (CEA) Serum < 2=""> < 2=""> Carotene Serum 75–300 mcg/L 1.4–5.6 mcmol/L CD4:CD8 ratio Blood 1–4 — CD4+ T-cell count Blood 640–1175/mcL 0.64–1.18 x 109/L CD8+ T-cell count Blood 335–875/mcL 0.34–0.88 x 109/L Ceruloplasmin Serum 25–43 mg/dL 250–430 mg/L Chloride Serum 98–106 mEq/L 98–106 mmol/L Cholesterol, desirable level: High-density lipoprotein (HDL-C) Plasma ≥ 40 mg/dL ≥ 1.04 mmol/L Low-density lipoprotein (LDL-C) Plasma ≤ 130 mg/dL ≤ 3.36 mmol/L Total (TC) Plasma 150–199 mg/dL 3.88–5.15 mmol/L Coagulation factors: Factor I Plasma 150–300 mg/dL 1.5–3.5 g/L Factor II Plasma 60–150% of normal — Factor IX Plasma 60–150% of normal — Factor V Plasma 60–150% of normal — Factor VII Plasma 60–150% of normal — Factor VIII Plasma 60–150% of normal — Factor X Plasma 60–150% of normal — Factor XI Plasma 60–150% of normal — Factor XII Plasma 60–150% of normal — Complement: C3 Serum 55–120 mg/dL 0.55–1.20 g/L C4 Serum 20–59 mg/dL 0.20–0.59 g/L Total Serum 37–55 U/mL 37–55 kU/L Copper Serum 70–155 mcg/L 11–24.3 mcmol/L Cortisol: 1 h after cosyntropin Serum > 18 mcg/dL and usually ≥ 8 mcg/dL above baseline > 498 nmol/L and usually ≥ 221 nmol/L above baseline At 5 pm Serum 3–13 mcg/dL 83–359 nmol/L At 8 am Serum 8–20 mcg/dL 251–552 nmol/L After overnight suppression test Serum < 5=""> < 138=""> C-peptide Serum 0.9–4.3 ng/mL 297–1419 pmol/L C-reactive protein (CRP) Serum < 0.5=""> < 0.005=""> C-reactive protein, highly sensitive (hsCRP) Serum < 1.1=""> < 0.0011=""> Creatine kinase (CK) Serum 30–170 U/L 0.5–2.83 mckat/L Creatinine Serum 0.7–1.3 mg/dL 61.9–115 mcmol/L d-Dimer Plasma ≤ 300 ng/mL ≤ 300 mcg/L Dehydroepiandrosterone sulfate (DHEA-S): Females Plasma 0.6–3.3 mg/mL 1.6–8.9 mcmol/L Males Plasma 1.3–5.5 mg/mL 3.5–14.9 mcmol/L Delta-aminolevulinic acid (ALA) Serum 15–23 mcg/L 1.14–1.75 mcmol/L 11-Deoxycortisol (DOC): After metyrapone Plasma > 7 mcg/dL > 203 nmol/L Basal Plasma < 5=""> < 145=""> d-Xylose level 2 h after ingestion of 25 g of d-xylose Serum > 20 mg/dL > 1.3 nmol/L Epinephrine, supine Plasma < 75=""> < 410=""> Erythrocyte sedimentation rate (ESR): Females Blood 0–20 mm/h 0–20 mm/h Males Blood 0–15 mm/h 0–20 mm/h Erythropoietin Serum 4.0–18.5 mIU/mL 4.0–18.5 IU/L Estradiol, females: Day 1–10 of menstrual cycle Serum 14–27 pg/mL 50–100 pmol/L Day 11–20 of menstrual cycle Serum 14–54 pg/mL 50–200 pmol/L Day 21–30 of menstrual cycle Serum 19–40 pg/mL 70–150 pmol/L Estradiol, males Serum 10–30 pg/mL 37–110 pmol/L Ferritin: Females Serum 30–200 ng/mL 30–200 mcg/L Males Serum 30–300 ng/mL 30–300 mcg/L α-Fetoprotein (AFP) Serum 0–20 ng/dL 0–20 pg/L Fibrinogen Plasma 150–350 mg/dL 1.5–3.5 g/L Folate (folic acid): RBC Blood 160–855 ng/mL 362–1937 nmol/L Serum Serum 2.5–20 ng/mL 5.7–45.3 nmol/L Follicle-stimulating hormone (FSH), females: Follicular or luteal phase Serum 5–20 mU/mL 5–20 U/L Midcycle peak Serum 30–50 mU/mL 30–50 U/L Postmenopausal Serum > 35 mU/mL > 35 U/L Follicle-stimulating hormone (FSH), adult males Serum 5–15 mU/mL 5–15 U/L Fructosamine Plasma 200–285 mol/L — Gamma-glutamyl transpeptidase (GGT) Serum 8–78 U/L — Gastrin Serum 0–180 pg/mL 0–180 ng/L Globulins: Serum 2.5–3.5 g/dL 25–35 g/L Alpha-1 globulins Serum 0.2–0.4 g/dL 2–4 g/L Alpha-2 globulins Serum 0.5–0.9 g/dL 5–9 g/L Beta globulins Serum 0.6–1.1 g/dL 6–11 g/L Beta-2 microglobulin Serum 0.7–1.8 mcg/mL — Gamma globulins Serum 0.7–1.7 g/dL 7–17 g/L Glucose: 2-h postprandial Plasma < 140=""> < 7.8=""> Fasting Plasma 70–105 mg/dL 3.9–5.8 mmol/L Glucose-6-phosphate dehydrogenase (G6PD) Blood 5–15 U/g Hb 0.32–0.97 mU/ mol Hb γ-Glutamyl transpeptidase (GGT) Serum 8–78 U/L — Growth hormone: After oral glucose Plasma < 2=""> < 2=""> In response to provocative stimuli Plasma > 7 ng/mL > 7 mcg/L Haptoglobin Serum 30–200 mg/dL 300–2000 mg/L Hematocrit: Females Blood 36–47% — Males Blood 41–51% — Hemoglobin: Females Blood 12–16 g/dL 120–160 g/L Males Blood 14–17 g/dL 140–170 g/L Hemoglobin A1c Blood 4.7–8.5% — Hemoglobin electrophoresis, adults: Hb A1 Blood 95–98% — Hb A2 Blood 2–3% — Hb C Blood 0% — Hb F Blood 0.8–2.0% — Hb S Blood 0% — Hemoglobin electrophoresis, Hb F in children: Neonate Blood 50–80% — 1–6 mo Blood 8% — > 6 mo Blood 1–2% — Homocysteine: Females Plasma 0.40–1.89 mg/L 3–14 mcmol/L Males Plasma 0.54–2.16 mg/L 4–16 mcmol/L Human chorionic gonadotropin (hCG), quantitative Serum < 5=""> — Immunoglobulins: IgA Serum 70–300 mg/dL 0.7–3.0 g/L IgD Serum < 8=""> < 80=""> IgE Serum 0.01–0.04 mg/dL 0.1–0.4 mg/L IgG Serum 640–1430 mg/dL 6.4–14.3 g/L IgG1 Serum 280–1020 mg/dL 2.8–10.2 g/L IgG2 Serum 60–790 mg/dL 0.6–7.9 g/L IgG3 Serum 14–240 mg/dL 0.14–2.4 g/L IgG4 Serum 11–330 mg/dL 0.11–3.3 g/L IgM Serum 20–140 mg/dL 0.2–1.4 g/L Insulin, fasting Serum 1.4–14 mcIU/mL 10–104 pmol/L International normalized ratio (INR): Therapeutic range (standard intensity therapy) Plasma 2.0–3.0 — Therapeutic range in patients at higher risk (eg, patients with prosthetic heart valves) Plasma 2.5–3.5 — Therapeutic range in patients with lupus anticoagulant Plasma 3.0–3.5 — Iron Serum 60–160 mcg/dL 11–29 mcmol/L Iron-binding capacity, total (TIBC) Serum 250–460 mcg/dL 45–82 mcmol/L Lactate dehydrogenase (LDH) Serum 60–160 U/L 1–1.67 mckat/L Lactic acid, venous Blood 6–16 mg/dL 0.67–1.8 mmol/L Lactose tolerance test Plasma > 15 mg/dL increase in plasma glucose level > 0.83 mmol/L increase in plasma glucose level Lead Blood < 40=""> < 1.9=""> Leukocyte alkaline phosphatase (LAP) score Peripheral blood smear 13–130/100/ polymorphonuclear (PMN) leukocyte neutrophils and bands — Lipase Serum < 95=""> < 1.58=""> Lipoprotein (a) [Lp(a)] Serum ≤ 30 mg/dL < 1.1=""> Luteinizing hormone (LH), females: Follicular or luteal phase Serum 5–22 mU/mL 5–22 U/L Midcycle peak Serum 30–250 mU/mL 30–250 U/L Postmenopausal Serum > 30 mU/mL > 30 U/L Luteinizing hormone, males Serum 3–15 mU/mL 3–15 U/L Magnesium Serum 1.5–2.4 mg/dL 0.62–0.99 mmol/L Manganese Serum 0.3–0.9 ng/mL 5.5–16.4 nmol/L Mean corpuscular hemoglobin (MCH) Blood 28–32 pg — Mean corpuscular hemoglobin concentration (MCHC) Blood 32–36 g/dL 320–360 g/L Mean corpuscular volume (MCV) Blood 80–100 fL — Metanephrines, fractionated: Metanephrines, free Plasma < 0.50=""> — Normetanephrines, free Plasma < 0.90=""> — Methemoglobin Blood <> — Methylmalonic acid (MMA) Serum 150–370 nmol/L — Myeloperoxidase (MPO) antibodies Serum < 6.0=""> — Myoglobin: Females Serum 25–58 mcg/L 1.4–3.5 nmol/L Males Serum 28–72 mcg/L 1.6–4.1 nmol/L Norepinephrine, supine Plasma 50–440 pg/mL 0.3–2.6 nmol/L N-Terminal propeptide of BNP (NT-proBNP) Plasma < 125=""> — 5'-Nucleotidase (5'NT) Serum 4–11.5 U/L — Osmolality Plasma 275–295 mOsm/kg H2O 275–295 mmol/ kg H2O Osmotic fragility test Blood Increased fragility if hemolysis occurs in > 0.5% sodium chloride Decreased fragility if hemolysis is incomplete in 0.3% sodium chloride — Oxygen partial pressure (PO2) Blood 80–100 mm Hg — Parathyroid hormone (PTH) Serum 10–65 pg/mL 10–65 ng/L Parathyroid hormone–related peptide (PTHrP) Plasma < 2.0=""> — Partial thromboplastin time, activated (aPTT) Plasma 25–35 sec — pH Blood 7.38–7.44 — Phosphorus, inorganic Serum 3.0–4.5 mg/dL 0.97–1.45 mmol/L Platelet count Blood 150–350 x 103/mcL 150–350 x 109/L Platelet life span, using chromium-51 (51Cr) — 8–12 days — Porphyrins Plasma ≤ 1.0 mcg/dL — Potassium Serum 3.5–5 mEq/L 3.5–5 mmol/L Prealbumin (transthyretin) Serum 18–45 mg/dL — Progesterone: Follicular phase Serum < 1=""> < 0.03=""> Luteal phase Serum 3–30 ng/mL 0.1–0.95 nmol/L Prolactin: Females (nonpregnant) Serum < 20=""> < 870=""> Males Serum < 15=""> < 652=""> Prostate-specific antigen, total (PSA-T) Serum 0–4 ng/mL — Prostate-specific antigen, ratio of free to total (PSA-F:PSA-T) Serum > 0.25 — Protein C activity Plasma 67–131% — Protein C resistance, activated ratio (APC-R) Plasma 2.2–2.6 — Protein S activity Plasma 82–144% — Protein, total Serum 6–7.8 g/dL 60–78 g/L Prothrombin time (PT) Plasma 11–13 sec — Pyruvic acid Blood 0.08–0.16 mmol/L — RBC count Blood 4.2–5.9 x 106 cells/mcL 4.2–5.9 x 1012 cells/L RBC survival rate, using 51Cr Blood T1/2 = 28 days — Renin activity, plasma (PRA), upright, in males and females aged 18–39 yr: Sodium-depleted Plasma 2.9–24 ng/mL/h — Sodium-repleted Plasma 0.6 (or lower)–4.3 ng/mL/h — Reticulocyte count: Percentage Blood 0.5–1.5% — Absolute Blood 23–90 x 103/mcL 23–90 x 109/L Rheumatoid factor (RF), by nephelometry Serum < 40=""> < 40=""> Sodium Serum 136–145 mEq/L 136–145 mmol/L Testosterone (total), adults: Females Serum 20–75 ng/dL 0.7–2.6 nmol/L Males Serum 300–1200 ng/dL 10–42 nmol/L Thrombin time Plasma 18.5–24 sec — Thyroid iodine-123 (123I) uptake — 5–30% of administered dose at 24 h — Thyroid-stimulating hormone (TSH) Serum 0.5–5.0 mcIU/mL 0.5–5.0 mIU/L Thyroxine (T4): Free Serum 0.9–2.4 ng/dL 12–31 pmol/L Free index — 4–11 — Total Serum 5–12 mcg/dL 64–155 nmol/L Transferrin Serum 212–360 mg/dL 2.1–3.6 g/L Transferrin saturation Serum 20–50% — Triglycerides (fasting) Serum < 250=""> < 2.82=""> Triiodothyronine (T3): Uptake Serum 25–35% — Total Serum 70–195 ng/dL 1.1–3.0 nmol/L Troponin I Plasma < 0.1=""> < 0.1=""> Troponin T Serum ≤ 0.03 ng/mL ≤ 0.03 mcg/L Urea nitrogen (BUN) Serum 8–20 mg/dL 2.9–7.1 mmol/L Uric acid Serum 2.5–8 mg/dL 0.15–0.47 mmol/L Vitamin B12 Serum 200–800 pg/mL 148–590 pmol/L Vitamin C (ascorbic acid): Leukocyte Blood < 20=""> < 1136=""> Total Blood 0.4–1.5 mg/dL 23–85 mcmol/L Vitamin D: 1,25-Dihydroxycholecalciferol (calcitriol) Serum 25–65 pg/mL 65–169 pmol/L 25-Hydroxycholecalciferol Serum 15–80 ng/mL 37–200 nmol/L WBC count Blood 4.5–11 x 103 cells/mcL 4.5–11 x 109 cells/L Segmented neutrophils 2.6–8.5 x 103 cells/mcL 2.6–8.5 x 109 cells/L Band neutrophils 0–1.2 x 103 cells/mcL 0–1.2 x 109 cells/L Lymphocytes 0.77–4.5 x 103 cells/mcL 0.77–4.5 x 109 cells/L Monocytes 0.14–1.3 x 103 cells/mcL 0.14–1.3 x 109 cells/L Eosinophils 0–0.55 x 103 cells/mcL 0–0.55 x 109 cells/L Basophils 0–0.22 x 103 cells/mcL 0–0.22 x 109 cells/L Zinc Serum 66–110 mcg/dL 10.1–16.8 mcmol/L *American Board of Internal Medicine: ABIM Laboratory Test Reference Ranges ̶ January 2018. Accessed 8/25/18. mckat = microkatal; pkat = picokatal. Test Specimen Conventional Units SI Units laboratory_values.txt Last modified: 2024/06/07 02:49by 127.0.0.1