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Following are the normal ranges for common lab tests for adults. Sources include Labcorp, Quest Diagnostics, and .

Lipids

Cholesterol (total): <200 mg/dL

HDL cholesterol: >59 mg/dL

LDL cholesterol: <130 mg/dL

Triglyceride: 30-149 mg/dL

Hematology

White blood cells: 5-12 th/uL

Red blood cells: 4.00-5.20 mil/uL

Hemoglobin: 11.5-15.5 g/dL

Hematocrit: 36-46%

Glycosylated hemoglobin (HbA1c): 4-6%

Mean corpuscular volume (MCV): 79-98 fl

Mean corpuscular hemoglobin (MCH): 25-33 pg

Mean corpuscular hemoglobin concentration (MCHC): 30-37 g/dL

Platelets: 150-399 × 10³/mm³

Red blood cell distribution width (RDW): 11.5-14.5%

International normalized ratio (INR): 0.9-1.2

Fibrinogen: 1.8-4 g/L

D-Dimer: 0.0-0.6 mg/L

Prothrombin time: 9.5-13.2 secs

Thrombin time: 14.9-19.8 secs

Troponin: 0.0-0.4 ng/mL

Leukocyte Differential

Neutrophils: 1.84-7.8 th/uL

Immunoglobulin (IG): 0.00-0.15 th/uL

Lymphocytes: 0.720-5.200 th/uL

Monocytes: 0.120-1.000 th/uL

Eosinophils: 0.000-0.600 th/uL

Basophils: 0.000-0.3000 th/uL

Thyroid

Thyroid-stimulating hormone (TSH): 0.35-4.94 mIU/L

Total T4: 4.9-11.7 mg/dL

Free T4: 0.7-1.5 ng/dL

Total T3: 0.6-1.6 ng/mL

Free T3: 1.7-3.7 pg/mL

Metabolic Panel

Albumin: 3.5-5.0 g/dL

Alkaline phosphatase: 30-125 units/L

ALT: 0-40 units/L

AST: 3-44 units/L

Bilirubin: 0.2-1.3 mg/dL

Blood urea nitrogen (BUN): 8-21 mg/dL

Calcium: 8.7-10.7 mg/dL

CO₂: 22-29 mmol/L

Chloride: 99-108 mmol/L

Creatinine: 0.75-1.20 mg/dL (male); 0.65-1.00 mg/dL (female)

Glucose: fasting 60-99 mg/dL; nonfasting 60-200 mg/dL

Potassium: 3.4-5.3 mmol/L

Protein (total): 6.0-8.2 g/dL

Other Common Tests

Ammonia: 15-50 u/L

Amylase: 25-100 u/L

Bilirubin: 0.0-0.35 mg/dL

C-reactive protein: <5 mg/L

Chloride: 95-105 mmol/L

Creatine kinase: 10-205 u/L

Estradiol: 2-14 ng/dL (female, follicular); 2-16 ng/dL (female, luteal); <3.5 ng/dL (postmenopausal); 1.5-5 ng/dL (male)

Ferritin: 12-300 ng/mL (men); 12-150 ng/mL (women)

Folate: 7-36 nmol/L

LDH: 110-240 u/L

Lead: <40 mcg/dL

Lipase: 10-52 u/L

Magnesium: 1.6-2.7 mg/dL

Phosphorus: 2.5-4.6 mg/dL

Sodium: 135-145 mmol/L

Testosterone: 10-25 nmol/L (male)

Vitamin A: 30-65 mcg/dL

Vitamin B₁₂: 130-700 ng/dL

Vitamin C: 0.4-1.5 mg/dL

Vitamin D: 5-75 ng/mL

Zinc: 70-100 μmol/L

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