Published: 18 Oct 2024

Reference ranges for lab tests can vary by laboratory and methodology, but here are some common lab tests and their typical reference ranges for adults:

Complete Blood Count (CBC)
White Blood Cells (WBC): 4,500 - 11,000 cells/mcL
Red Blood Cells (RBC):
- Men: 4.
7 - 6.1 million cells/mcL
- Women: 4.2 - 5.4 million cells/mcL
Hemoglobin:
- Men: 13.8 - 17.2 g/dL
- Women: 12.1 - 15.1 g/dL
Hematocrit:
- Men: 40.7 - 50.3%
- Women: 36.1 - 44.3%
Platelets: 150,000 - 450,000 platelets/mcL

Basic Metabolic Panel (BMP)
Glucose: 70 - 99 mg/dL (fasting)
Calcium: 8.5 - 10.2 mg/dL
Sodium: 135 - 145 mEq/L
Potassium: 3.5 - 5.0 mEq/L
Chloride: 98 - 107 mEq/L
Bicarbonate (CO2): 23 - 30 mEq/L
Blood Urea Nitrogen (BUN): 7 - 20 mg/dL
Creatinine:
- Men: 0.74 - 1.35 mg/dL
- Women: 0.59 - 1.04 mg/dL

Comprehensive Metabolic Panel (CMP)
Includes all BMP tests plus:
Total Protein: 6.0 - 8.3 g/dL
Albumin: 3.5 - 5.0 g/dL
Globulin: 2.0 - 3.5 g/dL
Bilirubin: 0.1 - 1.2 mg/dL
Alkaline Phosphatase: 44 - 147 IU/L
Aspartate Aminotransferase (AST): 10 - 40 IU/L
Alanine Aminotransferase (ALT): 7 - 56 IU/L

Lipid Panel
Total Cholesterol:<200 mg/dL (desirable)
Low-Density Lipoprotein (LDL):<100 mg/dL (optimal)
High-Density Lipoprotein (HDL):
- Men:<40 mg/dL (low), >60 mg/dL (high)
- Women:<50 mg/dL (low), >60 mg/dL (high)
Triglycerides:<150 mg/dL (normal)

Thyroid Function Tests
Thyroid Stimulating Hormone (TSH): 0.4 - 4.0 mIU/L
Free T4: 0.8 - 1.8 ng/dL
Free T3: 2.3 - 4.2 pg/mL

Urinalysis
pH: 4.5 - 8.0
Specific Gravity: 1.005 - 1.030
Protein:<20 mg/dL
Glucose: Negative
Ketones: Negative
Blood: Negative

Important Notes
- Reference ranges can differ based on factors like age, sex, and laboratory methods.
- Always consult a healthcare professional to interpret lab results in the context of overall health and clinical history.