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Blood Test Reference Range Chart


Test

Reference Range (conventional units)


17 Hydroxyprogesterone (Men)

0.06-3.0 mg/L


17 Hydroxyprogesterone (Women) Follicular phase

0.2-1.0 mg/L


25-hydroxyvitamin D (25(OH)D)

8-80 ng/mL


Acetoacetate

<3 mg/dL


Acidity (pH)

7.35 – 7.45


Alcohol

0 mg/dL (more than 0.1 mg/dL normally indicates intoxication) (ethanol)


Ammonia

15 – 50 µg of nitrogen/dL


Amylase

53 – 123 units/L


Ascorbic Acid

0.4 – 1.5 mg/dL


Bicarbonate

18 – 23 mEq/L (carbon dioxide content)


Bilirubin

Direct: up to 0.4 mg/dL


Total : up to 1.0 mg/dL


Blood Volume

8.5 – 9.1% of total body weight


Calcium

8.5 – 10.5 mg/dL (normally slightly higher in children)


Carbon Dioxide Pressure

35 – 45 mm Hg


Carbon Monoxide

Less than 5% of total hemoglobin


CD4 Cell Count

500 – 1500 cells/µL


Ceruloplasmin

15 – 60 mg/dL


Chloride 

98 – 106 mEq/L


Complete Blood Cell Count (CBC)

Tests include: hemoglobin, hematocrit, mean corpuscular hemoglobin, mean corpuscular hemoglobin concentration, mean corpuscular volume, platelet count, white Blood cell count


Copper

Total: 70 – 150 µg/dL


Creatine Kinase (CK or CPK)

Male: 38 – 174 units/L


Female: 96 – 140 units/L 


Creatine Kinase Isoenzymes

5% MB or less


Creatinine

0.6 – 1.2 mg/dL


Electrolytes

Test includes: calcium, chloride, magnesium, potassium, sodium


Erythrocyte Sedimentation Rate (ESR or Sed-Rate)

Male: 1 – 13 mm/hr


Female: 1 – 20 mm/hr


Glucose

Tested after fasting: 70 – 110 mg/dL


Hematocrit

Male: 45 – 62%


Female: 37 – 48%


Hemoglobin

Male: 13 – 18 gm/dL


Female: 12 – 16 gm/dL


Iron

60 – 160 µg/dL (normally higher in males)


Iron-binding Capacity

250 – 460 µg/dL


Lactate (lactic acid)

Venous: 4.5 – 19.8 mg/dL


Arterial: 4.5 – 14.4 mg/dL


Lactic Dehydrogenase

50 – 150 units/L


Lead

40 µg/dL or less (normally much lower in children)


Lipase

10 – 150 units/L


Zinc   B-Zn

70 – 102 µmol/L


Lipids:


Cholesterol

Less than 225 mg/dL (for age 40-49 yr; increases with age)


Triglycerides

10 – 29 years  

53 – 104 mg/dL


30 – 39 years  

55 – 115 mg/dL


40 – 49 years  

66 – 139 mg/dL


50 – 59 years  

75 – 163 mg/dL


60 – 69 years  

78 – 158 mg/dL


   >  70 years  

83 – 141 mg/dL


Liver Function Tests

Tests include : bilirubin (total), phosphatase (alkaline), protein (total and albumin), transaminases (alanine and aspartate), prothrombin (PTT)  


Magnesium

1.5 – 2.0 mEq/L


Mean Corpuscular Hemoglobin (MCH)

27 – 32 pg/cell


Mean Corpuscular Hemoglobin Concentration (MCHC)

32 – 36% hemoglobin/cell


Mean Corpuscular Volume (MCV)

76 – 100 cu µm


Osmolality

280 – 296 mOsm/kg water


Oxygen Pressure

83 – 100 mm Hg


Oxygen Saturation (arterial)

96 – 100%


Phosphatase, Prostatic

0 – 3 units/dL (Bodansky units) (acid)


Phosphatase

 50 – 160 units/L (normally higher in infants and adolescents) (alkaline)


Phosphorus

3.0 – 4.5 mg/dL (inorganic)


Platelet Count

150,000 – 350,000/mL


Potassium

3.5 – 5.0 mEq/L


Prostate-Specific Antigen (PSA)

0 – 4 ng/mL (likely higher with age)


Proteins:


Total

 6.0 – 8.4 gm/dL


Albumin

3.5 – 5.0 gm/dL


Globulin

2.3 – 3.5 gm/dL


 

 


Prothrombin (PTT)

25 – 41 sec


Pyruvic Acid

0.3 – 0.9 mg/dL


Red Blood Cell Count (RBC)

4.2 – 6.9 million/µL/cu mm


 


Sodium

135 – 145 mEq/L


Thyroid-Stimulating Hormone (TSH)

0.5 – 6.0 µ units/mL


Transaminase:


Alanine (ALT)

1 – 21 units/L


Aspartate (AST)

7 – 27 units/L


 

 


Urea Nitrogen (BUN)

7 – 18 mg/dL


BUN/Creatinine Ratio

5 – 35


Uric Acid

Male   

2.1 to 8.5 mg/dL (likely higher with age)


Female   

2.0 to 7.0 mg/dL (likely higher with age)


Vitamin A

30 – 65 µg/dL


WBC (leukocyte count and white Blood cell count)

4.3-10.8 × 103/mm3


White Blood Cell Count (WBC)

4,300 – 10,800 cells/µL/cu mm