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Lab Value

Blood, Plasma, Serum Reference Range SI Reference
* Included in the Biochemical Profile (SMA-12)
* Alanine aminotransferase (ALT) 8–20 U/L 8–20 U/L
Amylase, serum 25–125 U/L 25–125 U/L
* Aspartate aminotransferase (AST) 8–20 U/L 8–20 U/L
Bilirubin, serum (adult) Total // Direct 0.1–1.0 mg/dL // 0.0–0.3 mg/dL 2–17 µmol/L // 0–5 µmol/L
* Calcium, serum (Ca2+) 8.4–10.2 mg/dL 2.1–2.8 mmol/L
* Cholesterol, serum Rec: <200 mg/dL Rec: <5.2 mmol/L
Cortisol, serum 0800 h: 5–23 µg/dL // 1600 h: 3–15 µg/dL 138–635 nmol/L // 1600 h: 82–413 nmol/L
2000 h: ≤ 50% of 0800 h Fraction of 0800 h: ≤ 0.50
Creatine kinase, serum Male: 25–90 U/L 25–90 U/L
Female: 10–70 U/L 10–70 U/L
* Creatinine, serum 0.6–1.2 mg/dL 53–106 µmol/L
Electrolytes, serum
Sodium (Na+) 136–145 mEq/L 136–145 mmol/L
Chloride (Cl−) 95–105 mEq/L 95–105 mmol/L
* Potassium (K+) 3.5–5.0 mEq/L 3.5–5.0 mmol/L
Bicarbonate (HCO3−) 22–28 mEq/L 22–28 mmol/L
Magnesium (Mg2+) 1.5–2.0 mEq/L 0.75–1.0 mmol/L
Estriol, total, serum (in pregnancy)
24–28 wks // 32–36 wks 30–170 ng/mL // 60–280 ng/mL 104–590 // 208–970 nmol/L
28–32 wks // 36–40 wks 40–220 ng/mL // 80–350 ng/mL 140–760 // 280–1210 nmol/L
Ferritin, serum Male: 15–200 ng/mL 15–200 µg/L
Female: 12–150 ng/mL 12–150 µg/L
Follicle-stimulating hormone, serum/plasma Male: 4–25 mIU/mL 4–25 U/L
Female: premenopause 4–30 mIU/mL 4–30 U/L
midcycle peak 10–90 mIU/mL 10–90 U/L
postmenopause 40–250 mIU/mL 40–250 U/L
Gases, arterial blood (room air)
pH 7.35–7.45 [H+] 36–44 nmol/L
Pco2 33–45 mm Hg 4.4–5.9 kPa
Po2 75–105 mm Hg 10.0–14.0 kPa
* Glucose, serum Fasting: 70–110 mg/dL 3.8–6.1 mmol/L
2-h postprandial: < 120 mg/dL < 6.6 mmol/L
Growth hormone – arginine stimulation Fasting: < 5 ng/mL 5 µg/L
provocative stimuli: > 7 ng/mL > 7 µg/L
Immunoglobulins, serum
IgA 76–390 mg/dL 0.76–3.90 g/L
IgE 0–380 IU/mL 0–380 kIU/L
IgG 650–1500 mg/dL 6.5–15 g/L
IgM 40–345 mg/dL 0.4–3.45 g/L
Iron 50–170 µg/dL 9–30 µmol/L
Lactate dehydrogenase, serum 45–90 U/L 45–90 U/L
Luteinizing hormone, serum/plasma Male: 6–23 mIU/mL 6–23 U/L
Female: follicular phase 5–30 mIU/mL 5–30 U/L
midcycle 75–150 mIU/mL 75–150 U/L
postmenopause 30–200 mIU/mL 30–200 U/L
Osmolality, serum 275–295 mOsmol/kg H2O 275–295 mOsmol/kg H2O
Parathyroid hormone, serum, N-terminal 230–630 pg/mL 230–630 ng/L
* Phosphatase (alkaline), serum (p-NPP at 30°C) 20–70 U/L 20–70 U/L
* Phosphorus (inorganic), serum 3.0–4.5 mg/dL 1.0–1.5 mmol/L
Prolactin, serum (hPRL) < 20 ng/mL < 20 µg/L
* Proteins, serum
Total (recumbent) 6.0–7.8 g/dL 60–78 g/L
Albumin 3.5–5.5 g/dL 35–55 g/L
Globulin 2.3–3.5 g/dL 23–35 g/L
Thyroid-stimulating hormone, serum or plasma 0.5–5.0 µU/mL 0.5–5.0 mU/L
Thyroidal iodine (123I) uptake 8%–30% of administered dose/24 h 0.08–0.30/24 h
Thyroxine (T4), serum 5–12 µg/dL 64–155 nmol/L
Triglycerides, serum 35–160 mg/dL 0.4–1.81 mmol/L
Triiodothyronine (T3), serum (RIA) 115–190 ng/dL 1.8–2.9 nmol/L
Triiodothyronine (T3) resin uptake 25%–35% 0.25–0.35
* Urea nitrogen, serum 7–18 mg/dL 1.2–3.0 mmol/L
* Uric acid, serum 3.0–8.2 mg/dL 0.18–0.48 mmol/L
Hematologic Reference Range SI Reference
Bleeding time (template) 2-7 minutes 2-7 minutes
Erythrocyte count Male: 4.3-5.9 million/mm3 4.3-5.9 x 1012/L
Female: 3.5-5.5 million/mm3 3.5-5.5 x 1012/L
Erythrocyte sedimentation rate (Westergren) Male: 0-15 mm/h 0-15 mm/h
Female: 0-20 mm/h 0-20 mm/h
Hematocrit Male: 41%-53% 0.41-0.53
Female: 36%-46% 0.36-0.46
Hemoglobin A1c < 6% < 0.06
Hemoglobin, blood Male: 13.5-17.5 g/dL 2.09-2.71 mmol/L
Female: 12.0-16.0 g/dL 1.86-2.48 mmol/L
Hemoglobin, plasma 1-4 mg/dL 0.16-0.62 mmol/L
Leukocyte count and differential
Leukocyte count 4500-11,000/mm3 4.5-11.0 x 109/L
Segmented neutrophils 54%-62% 0.54-0.62
Bands 3%-5% 0.03-0.05
Eosinophils 1%-3% 0.01-0.03
Basophils 0%-0.75% 0-0.0075
Lymphocytes 25%-33% 0.25-0.33
Monocytes 3%-7% 0.03-0.07
Mean corpuscular hemoglobin 25.4-34.6 pg/cell 0.39-0.54 fmol/cell
Mean corpuscular hemoglobin concentration 31%-36% Hb/cell 4.81-5.58 mmol Hb/L
Mean corpuscular volume 80-100 µm3 80-100 fl
Partial thromboplastin time (activated) 25-40 seconds 25-40 seconds
Platelet count 150,000-400,000/mm3 150-400 x 109/L
Prothrombin time 11-15 seconds 11-15 seconds
Reticulocyte count 0.5%-1.5% of red cells 0.005-0.015
Thrombin time < 2 seconds deviation from control < 2 seconds deviation from control
Volume
Plasma Male: 25-43 mL/kg 0.025-0.043 L/kg
Female: 28-45 mL/kg 0.028-0.045 L/kg
Red cell Male: 20-36 mL/kg 0.020-0.036 L/kg
Female: 19-31 mL/kg 0.019-0.031 L/kg
Cerebrospinal Fluid Reference Range SI Reference
Cell count 0-5 cells/mm3 0-5 x 106/L
Chloride 118-132 mEq/L 118-132 mmol/L
Gamma globulin 3-12% total proteins 0.03-0.12
Glucose 40-70 mg/dL 2.2-3.9 mmol/L
Pressure 70-180 mm H2O 70-180 mm H2O
Proteins, total < 40 mg/dL < 0.40 g/L
Sweat Reference Range SI Reference
Chloride 0-35 mmol/L 0-35mmol/L
Urine
Calcium 100-300 mg/24 h 2.5-7.5 mmol/24 h
Chloride Varies with intake Varies with intake
Creatinine clearance Male: 97-137 mL/min
Female: 88-128 mL/min
Estriol, total (in pregnancy)
30 wks 6-18 mg/24 h 21-62 µmol/24 h
35 wks 9-28 mg/24 h 31-97 µmol/24 h
40 wks 13-42 mg/24 h 45-146 µmol/24 h
17-Hydroxycorticosteroids Male: 3.0-10.0 mg/24 h 8.2-27.6 µmol/24 h
Female: 2.0-8.0 mg/24 h 5.5-22.0 µmol/24 h
17-Ketosteroids, total Male: 8-20 mg/24 h 28-70 µmol/24 h
Female: 6-15 mg/24 h 21-52 µmol/24 h
Osmolality 50-1400 mOsmol/kg H2O
Oxalate 8-40 µg/mL 90-445 µmol/L
Potassium Varies with diet Varies with diet
Proteins, total < 150 mg/24 h <0.15 g/24 h
Sodium Varies with diet Varies with diet
Uric acid Varies with diet Varies with diet
Body mass index Adult: 19-25 kg/m2