Normal Lab Reference Ranges for Common Tests

Susan J. Baumgaertel, M.D.
Internal Medicine

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Test Name

Normal Range

Comments

Basic Metabolic Panel

See Lab Results

Measures electrolytes/kidney function

CBC:

   WBC

   HCT

   Platelets

See Lab Results

   “

   “

   “

 

White Blood Cell count

Hematocrit (checks for anemia)

Measures “coagulation”

FSH

Varies

> 25 = menopausal

Hemoglobin A1C

4.0-6.0

> 6.4 indicates diabetes

CRP High Sensitivity

< 3.0 is normal

> 3.0 is high

Measures inflammation

Lipid Profile:

   Total Cholesterol

   LDL (bad)

 

 

   HDL (good)

   Triglycerides

 

< 200

< 130

< 100

< 70

35-75+

< 150 is ideal

 

 

 

For those at cardiac risk

For those with heart disease

Hepatic Function Panel

See Lab Results

Measures general liver function

Thyroid Tests

Free T3

Thyroxine (FT4)

TSH

 

2.2-4.3

0.57-1.25

0.34-5.6

 

Urinalysis

 

Varies, depending on sample

Vitamin D (25 OH)

32-100

Goal varies

PSA (prostate screen)

0-4

Potential screen for prostate cancer

Estimated GFR

> 60

Measures overall kidney function