For medical students

Commonly done medical lab tests and their normal values

 List of commonly done medical lab tests with their reference range as set by different reputed institutes.

Ammonia

15-50 µmol/L

Ceruloplasmin

15-60 mg/dL

Chloride

95-105 mmol/L

Copper

70-150 µg/dL

Creatinine

0.8-1.3 mg/dL

Blood urea nitrogen

8-21 mg/dL

Ferritin

12-300 ng/mL (men), 12-150 ng/mL (women)

Glucose

65-110 mg/dL

Inorganic phosphorous

1-1.5 mmol/L

Ionized calcium

1.03-1.23 mmol/L

Magnesium

1.5-2 mEq/L

Phosphate

0.8-1.5 mmol/L

Pyruvate

300-900 µg/dL

Sodium

135-145 mmol/L

Total calcium

2-2.6 mmol/L

Total iron-binding capacity

45-85 µmol/L

Total serum iron

65-180 µg/dL (men), 30-170 µg/dL (women)

Transferrin

200-350 mg/dL

Urea

1.2-3 mmol/L

Uric acid

0.18-0.48 mmol/L

Zinc

70-100 µmol/L

Hemoglobin

13-17 g/dL (men), 12-15 g/dL (women)

Hematocrit

40%-52% (men), 36%-47%

Glycosylated hemoglobin (HBA1C)

4%-6%

Mean corpuscular volume (MCV)

80-100 fL

Red blood cell distribution width (RDW)

11.5%-14.5%

Mean corpuscular hemoglobin (MCH)

0.4-0.5 fmol/cell

Mean corpuscular hemoglobin concentration (MCHC)

30-35 g/dL

Reticulocytes

0.5%-1.5%

White blood cells (WBC)

4-10 x 10^9/L

Neutrophils

2-8 x 10^9/L

Bands

< 1 x 10^9/L

Lymphocytes

1-4 x 10^9/L

Monocytes

0.2-0.8 x 10^9/L

Eosinophils

< 0.5 x 10^9/L

Platelets

150-400 x 10^9/L

International normalized ratio (INR)

0.9-1.2

Activated partial thromboplastin time (aPTT)

20-40 sec

Fibrinogen

1.8-4 g/L

Bleeding time

2-9 min

Triglycerides

50-150 mg/dL

Total cholesterol

3-5.5 mmol/L

High-density lipoprotein (HDL)

40-80 mg/dL

Low-density lipoprotein (LDL)

85-125 mg/dL

pH

7.35-7.45

Base excess

(-3)-(+3)

H+

36-44 nmol/L

Partial pressure of oxygen (pO2)

75-100 mm Hg

Oxygen saturation

96%-100%

Partial pressure of carbon dioxide (pCO2)

35-45 mm Hg

Bicarbonate (HCO3)

18-22 mmol/L

Albumin

35-50 g/L

Alkaline phosphatase

50-100 U/L

Alanine aminotransferase (ALT)

5-30 U/L

Amylase

30-125 U/L

Aspartate aminotransferase (AST)

5-30 U/L

Direct bilirubin

0-6 µmol/L

Gamma glutamyl transferase

6-50 U/L

Lipase

10-150 U/L

Total bilirubin

2-20 µmol/L

Total protein

60-80 g/L

Creatine kinase

25-200 U/L

Creatine kinase MB (CKMB)

0-4 ng/mL

Troponin

0-0.4 ng/mL

17 hydroxyprogesterone (female, follicular)

0.2-1 mg/L

Adrenocorticotropic hormone (ACTH)

4.5-20 pmol/L

Estradiol

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

Free T3

0.2-0.5 ng/dL

Free T4

10-20 pmol/L

Follicle-stimulating hormone (FSH)

1-10 IU/L (male), 1-10 IU/L (female, follicular/luteal), 5-25 IU/L (female, ovulation), 30-110 IU/L (postmenopause)

Growth hormone (fasting)

0-5 ng/mL

Progesterone

70-280 (ovulation), ng/dL

Prolactin

< 14 ng/mL

Testosterone (male)

10-25 nmol/L

Thyroxine-binding globulin

12-30 mg/L

Thyroid-stimulating hormone (TSH)

0.5-5 mIU/L

Total T4

4.9-11.7 mg/dL

Total T3

0.7-1.5 ng/dL

Free T3

0.6-1.6 ng/mL

Folate (serum)

7-36 nmol/L

Vitamin A

30-65 µg/dL

Vitamin B12

130-700 ng/L

Vitamin C

0.4-1.5 mg/dL

Vitamin D

5-75 ng/mL

Alpha fetoprotein

0-44 ng/mL

Beta human chorionic gonadotropin (HCG)

< 5 IU/I

Alpha 1-antitrypsin

20-50 µmol/L

C-reactive protein

< 5 mg/L

Lactate dehydrogenase (LDH)

50-150

Rheumatoid factor

< 25 IU/ml

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