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USMLE Lab Values

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Question
Answer
Serum: Alanine aminotransferase (ALT)   8-20 U/L  
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Serum: Amylase   25-125 U/L  
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Serum: Aspartate aminotransferase (AST)   8-20 U/L  
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Serum: Bilirubin Total // Direct   0.1-1.0 mg/dL // 0.0-0.3 mg/dL  
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Serum: Calcium (Ca2+)   8.4-10.2 mg/dL  
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Serum: Cholesterol   Rec:<200 mg/dL  
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Serum: Cortisol 0800 h:   5-23 μg/dL  
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Serum: Cortisol 1600 h:   3-15 μg/dL  
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Serum: Cortisol 2000 h:   < 50% of 0800 h  
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Serum: Creatine kinase, Male   25-90 U/L  
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Serum: Creatine kinase, Female   10-70 U/L  
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Serum: Creatinine   0.6-1.2 mg/dL  
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Serum: Sodium (Na+)   136-145 mEq/L  
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Serum: Potassium (K+)   3.5-5.0 mEq/L  
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Serum: Chloride (Cl–)   95-105 mEq/L  
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Serum: Bicarbonate (HCO3–)   22-28 mEq/L  
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Serum: Magnesium (Mg2+)   1.5-2.0 mEq/L  
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Serum: Estriol, total (in pregnancy), 24-28 wks // 32-36 wks   30-170 ng/mL // 60-280 ng/mL  
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Serum: Estriol, total (in pregnancy), 28-32 wks // 36-40 wks   40-220 ng/mL // 80-350 ng/mL  
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Serum: Ferritin, Male   15-200 ng/mL  
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Serum: Ferritin, Female   12-150 ng/mL  
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Serum: Follicle-stimulating hormone    
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Serum: Follicle-stimulating hormone, Male   4-25 mIU/mL  
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Serum: Follicle-stimulating hormone, Female, Premenopause   4-30 mIU/mL  
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Serum: Follicle-stimulating hormone, Female, Midcycle peak   10-90 mIU/mL  
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Serum: Follicle-stimulating hormone, Female, Postmenopause   40-250 mIU/mL  
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Arterial blood gas (room air): pH   7.35-7.45  
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Arterial blood gas (room air): PCO2   33-45 mm Hg  
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Arterial blood gas (room air): PO2   75-105 mm Hg  
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Serum: Glucose, Fasting   70-110 mg/dL  
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Serum: Glucose, 2-h postprandial   < 120 mg/dL  
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Growth hormone - arginine stimulation, fasting   < 5 ng/mL  
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Growth hormone - arginine stimulation, provocative stimuli   > 7 ng/mL  
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Serum: IgA   76-390 mg/dL  
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Serum: IgE   0-380 IU/mL  
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Serum: IgG   650-1500 mg/dL  
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Serum: IgM   40-345 mg/dL  
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Serum: Iron   50-170 μg/dL  
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Serum: Lactate dehydrogenase (LDH)   45-90 U/L  
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Serum: Luteinizing hormone,    
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Serum: Luteinizing hormone, Male   6-23 mIU/mL  
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Serum: Luteinizing hormone, Female, Follicular phase   5-30 mIU/mL  
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Serum: Luteinizing hormone, Female, Midcycle   75-150 mIU/mL  
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Serum: Luteinizing hormone, Female, Postmenopause   30-200 mIU/mL  
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Serum: Osmolality   275-295 mOsmol/kg H2O  
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Serum: Parathyroid hormone, N-terminal   230-630 pg/mL  
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Serum: Phosphatase (alkaline), (p-NPP at 30C)   20-70 U/L  
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Serum: Phosphorus (inorganic)   3.0-4.5 mg/dL  
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Serum: Prolactin (hPRL)   < 20 ng/mL  
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Serum: Proteins, Total (recumbent)   6.0-7.8 g/dL  
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Serum: Proteins, Albumin   3.5-5.5 g/dL  
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Serum: Proteins, Globulin   2.3-3.5 g/dL  
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Serum: Thyroid-stimulating hormone   0.5-5.0 μU/mL  
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Thyroidal iodine (123I) uptake   8%-30% of administered dose/24 h  
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Serum: Thyroxine (T4)   5-12 μg/dL  
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Serum: Triglycerides   35-160 mg/dL  
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Serum: Triiodothyronine (T3) (RIA)   115-190 ng/dL  
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Serum: Triiodothyronine (T3) resin   25%-35%  
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Serum: Urea nitrogen   7-18 mg/dL  
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Serum: Uric acid   3.0-8.2 mg/dL  
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Body mass index, adults   19-25 kg/m2  
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CSF: Cell count   0-5/mm3  
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CSF: Chloride   118-132 mEq/L  
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CSF: Gamma globulin   3%-12% total proteins  
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CSF: Glucose   40-70 mg/dL  
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CSF: Pressure   70-180 mm H2O  
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CSF: Proteins, total   <40 mg/dL  
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Bleeding time (template)   2-7 minutes  
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Erythrocyte count, Male   4.3-5.9 million/mm3  
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Erythrocyte count, Female    
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Erythrocyte sedimentation rate (Westergren)   3.5-5.5 million/mm3  
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Erythrocyte sedimentation rate (Westergren), Male   0-15 mm/h  
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Erythrocyte sedimentation rate (Westergren), Female   0-20 mm/h  
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Hematocrit, Male   41%-53%  
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Hematocrit, Female   36%-46%  
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Hemoglobin A1c   < 6%  
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Hemoglobin, Male   13.5-17.5 g/dL  
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Hemoglobin, Female   12.0-16.0 g/dL  
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Hemoglobin, plasma   1-4 mg/dL  
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Leukocyte count   4500-11,000/mm3  
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Segmented neutrophils   54%-62%  
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Bands   3%-5%  
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Eosinophils   1%-3%  
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Basophils   0%-0.75%  
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Lymphocytes   25%-33%  
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Monocytes   3%-7%  
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Mean corpuscular hemoglobin   25.4-34.6 pg/cell  
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Mean corpuscular hemoglobin concentration   31%-36% Hb/cell  
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Mean corpuscular volume   80-100 μm3  
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Partial thromboplastin time (activated)   25-40 seconds  
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Platelet count   150,000-400,000/mm3  
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Prothrombin time   11-15 seconds  
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Reticulocyte count   0.5%-1.5%  
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Thrombin time   <2 seconds deviation from control  
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Plasma volume, Male   25-43 mL/kg  
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Plasma volume, Female   28-45 mL/kg  
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Red cell volume, Male   20-36 mL/kg  
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Red cell volume, Female   19-31 mL/kg  
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Sweat: Chloride   0-35 mmol/L  
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Urine: Calcium   100-300 mg/24 h  
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Urine: Chloride   Varies with intake  
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Urine: Creatinine clearance, Male   97-137 mL/min  
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Urine: Creatinine clearance, Female   88-128 mL/min  
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Urine: Estriol, total (in pregnancy) 30 wks   6-18 mg/24 h  
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Urine: Estriol, total (in pregnancy) 35 wks   9-28 mg/24 h  
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Urine: Estriol, total (in pregnancy) 40 wks   13-42 mg/24 h  
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Urine: 17-Hydroxycorticosteroids, Male   3.0-10.0 mg/24 h  
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Urine: 17-Hydroxycorticosteroids, Female   2.0-8.0 mg/24 h  
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Urine: 17-Ketosteroids, total, Male   8-20 mg/24 h  
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Urine: 17-Ketosteroids, total, Female   6-15 mg/24 h  
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Urine: Osmolality   50-1400 mOsmol/kg H2O  
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Urine: Oxalate   8-40 μg/mL  
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Urine: Potassium   Varies with diet  
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Urine: Proteins, total   <150 mg/24 h  
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Urine: Sodium   Varies with diet  
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Urine: Uric acid   Varies with diet  
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