NORMAL ADULT LABORATORY VALUES
 
BLOOD, PLASMA, SERUM
Alanine aminotransferase (ALT, SGPT at 37°C) 10-40 U/L (0.17-0.68 µkat/L)
Albumin, serum 3.5-5.0 g/dL (35-50 g/L)
Amylase, serum 27-131 U/L (0.46-2.23 µkat/L)
Aspartate aminotransferase (AST, SGOT at 37°C) 10-59 U/L (0.17-1.00 -2 to +3 kat/L)
Bilirubin, serum (Adult)
     Total 0.2-1.3 mg/dL (3-22 µmol/L)
Direct 0.0-0.3 mg/dL (0-5 µmol/L)
Calcium, serum 9.0-11.0 mg/dL (2.25-2.75 mmol/L)
Cholesterol, serum 140-250 mg/dL (3.6-6.5 mmol/L)
HDL > 35 mg/dL (> 0.9 mmol/L)
LDL < 130 mg/dL (< 3.37 mmol/L)
Triglycerides, serum 40-150 mg/dL (0.4-1.5 g/L)
Cortisol, plasma
8 AM 6-23 µg/dL (170-635 nmol/L)
4 PM 3-15 µg/dL (82-413 nmol/L)
10 PM < 50% of 8 AM value
Creatine kinase 10-105 U/L
Creatinine, serum 0.7-1.5 mg/dL (62-133 µmol/L)
Electrolytes, serum
Sodium 136-146 mEq/L (136-146 mmol/L)
Chloride 96-106 mmol/L
Potassium 3.5-4.5 mEq/L (3.5-4.5 mmol/L)
Bicarbonate 22-29 mEq/L (23-29 mmol/L)
Ferritin, serum
Male 27-270 ng/mL (27-270 µg/L)
Female 9-180 ng/mL (9-180 µg/L)
Fibrinogen, plasma 200-400 mg/dL (5.9-11.7 µmol/L)
Follicle-stimulating hormone, plasma
Male 4-25 mIU/mL (4-25 IU/L)
Female: Premenopause 4-30 mIU/mL (4-30 IU/L)
Midcycle peak 10-90 mIU/mL (10-90 IU/L)
Postmenopause 40-250 mIU/mL (40-250 IU/L)
Gases, arterial blood (room air)
pH 7.35-7.45
PO2 75-100 mm Hg (10.0-13.3 kPa)
PCO2 32-48 mm Hg (4.3-6.4 kPa)
O2 saturation 94-100% (0.94-1.00)
Glucose, serum
Fasting 70-115 mg/dL (3.89-6.38 mmol/L)
2 h postprandial < 120 mg/dL (< 6.7 mmol/L)
Growth hormone 0-10 ng/mL (0-10 µg/L)
β-Human chorionic gonadotropin (male or non-pregnant female) < 3.0 IU/L
Immunoglobulins, serum
IgA 60-333 mg/dL (0.6-3.3 g/L)
IgD 0.5-3.0 mg/dL (5-30 mg/L)
IgE < 500 ng/mL (< 500 µg/L)
IgG 550-1900 mg/dL (5.5-19.0 g/L)
IgM 45-145 mg/dL (0.45-1.5 g/L)
Iron, serum 75-175 µg/dL (13-31 µmol/L)
Lactate dehydrogenase (LDH) 45-90 U/L
Luteinizing hormone, serum/plasma
Male 6-18 mIU/mL (6-18 IU/L)
Female: Follicular phase 5-22 mIU/mL (5-22 IU/L)
Midcycle three times baseline
Postmenopause > 30 mIU/mL (> 30 IU/L)
Magnesium, serum 1.3-2.1 mEq/L (0.65-1.05 mmol/L)
Osmolality, serum 285-295 mOsm/kg serum water
Parathyroid hormone, intact 10-55 pg/mL (10-55 ng/L)
Phosphatase (alkaline), serum (p-NPP at 30°C) 20-90 mU/mL (20-90 U/L)
Phosphorus (inorganic), serum 3.0-4.5 mg/dL (1.0-1.5 mmol/L)
Prolactin, serum (hPRL) < 25 ng/mL (< 25 µg/L)
Prostate-specific antigen (PSA) < 4.0 ng/mL (< 4.0 µg/L)
Proteins, serum
Total (recumbent) 6.0-8.0 g/dL (60-80 g/L)
Albumin 3.5-5.0 g/dL (35-50 g/L)
Globulin 0.2-1.7 g/dL (2-17 g/L)
Thyroid-stimulating hormone (TSH) 0.35-7.0 µU/mL (0.35-7.0 mU/L)
Thyroxine (T4), serum 5-12 µg/dL (65-155 nmol/L)
Triiodothyronine (T3), serum (RIA) 150-250 ng/dL (2.3-3.9 nmol/L)
Triiodothyronine (T3), resin uptake 25-38% uptake (0.25-0.38 uptake)
Troponin-I < 0.35 ng/mL
Urea nitrogen, serum (BUN) 11-23 mg/dL (7.9-16.4 mmol/L)
Uric acid, serum 2.6-7.2 mg/dL (0.15-0.42 mmol/L)
 
CEREBROSPINAL FLUID
Cell count £ 5/mm3
Chloride 120-130 mEq/L (120-130 mmol/L)
Gamma globulin 3-12% (0.03-0.12)
Glucose 50-75 mg/dL (2.8-4.2 mmol/L)
Pressure 70-180 mm H2O
Protein 15-45 mg/dL (0.15-0.45 g/L)
 
HEMATOLOGIC
Bleeding time (template) 2.5-9.5 min
Erythrocyte count, blood
Male 4.6-6.2 million/mm3 (4.2-6.2 × 1012/L)
Female 4.2-5.4 million/mm3 (4.2-5.4 × 1012/L)
Hematocrit
Male 40-54% (0.40-0.54)
Female 37-47% (0.37-0.47)
Hemoglobin
Male 14.0-18.0 g/dL (2.17-2.79 mmol/L)
Female 12.0-16.0 g/dL (1.86-2.48 mmol/L)
Hemoglobin, glycosylated 5.3-7.5%
Hemoglobin, plasma 0-5 mg/dL (0-0.8 µmol/L)
Leukocyte count and differential
Leukocyte count 4500-11,000/mm3 (4.5-11.0 × 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 27-31 pg
Mean corpuscular hemoglobin concentration 33-37 g/dL (330-370 g/L)
Mean corpuscular volume 80-96 µm3 (80-96 fL)
Partial thromboplastin time (activated) 20-35 sec
Platelet count, blood 150,000-350,000/mm3 (150-350 × 109/L)
Prothrombin time 12.0-14.0 sec
Red blood cell distribution width £ 14.5%
Reticulocyte count 0.5-1.5% of erythrocytes
Sedimentation rate, erythrocyte (Westergren)
Male 0-15 mm in one hour (0-15 mm/h)
Female 0-20 mm in one hour (0-20 mm/h)
Thrombin time < 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)
 
SEMEN
Volume 2-6 mL
Motility (grades 0-4) > 50%
Count 20-100 millions/mL
 
SWEAT
Chloride 0-30 mmol/L
 
URINE
Calcium < 250 mg/24 h (< 6.3 nmol/24 h)
Chloride 110-250 mmol/d (varies with intake)
Creatinine clearance
Male 110-150 mL/min
Female 105-132 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 3-9 mg/24 h (8.3-25 µmol/24 h)
Female 2-8 mg/24 h (5.5-22 µmol/24 h)
Ketosteroids
Male 6-18 mg/24 h (21-62 µmol/24 h)
Female 4-13 mg/24 h (14-45 µmol/24 h)
Osmolality 38-1400 mOsm/kg water
pH 4.6-8.0
Potassium 25-125 mEq/d (varies with diet)
Proteins, total 10-150 mg/24 h
Sodium 40-220 mEq/d (varies with diet)
Specific gravity 1.003-1.030
Uric acid varies with diet