What are normal ranges for lab tests medicine
Published: 18 Oct 2024
Reference Ranges for Common Laboratory Tests in 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 (fasting): 70 - 99 mg/dL
* 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 may vary based on age, sex, and laboratory methods.
* Always consult a healthcare professional to interpret lab results in the context of your overall health and clinical history.
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 (fasting): 70 - 99 mg/dL
* 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 may vary based on age, sex, and laboratory methods.
* Always consult a healthcare professional to interpret lab results in the context of your overall health and clinical history.