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NORMAL LABORATORY VALUES

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U.S. traditional units are followed in parentheses by equivalent values expressed in S.I. units.
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Blood, Plasma, and Serum Chemistry Studies
Albumin, serum – 3.5-5.5 g/dL (35-55 g/L) 
Alkaline phosphatase, serum – 36-92 U/L
α-Fetoprotein, serum — 0-20 ng/mL (0-20 µg/L)
Aminotransferase, alanine (ALT) — 0-35 U/L
Aminotransferase, aspartate (AST) — 0-35 U/L
Ammonia, plasma — 40-80 µg/dL (23-47 µmol/L)
Amylase, serum — 0-130 U/L
Antinuclear antibody, serum – positive: titer of greater than, equal
to 1:160 
Bicarbonate, serum — 23-28 meq/L (23-28 mmol/L)
Bilirubin, serum
Total — 0.3-1.2 mg/dL (5.1-20.5 µmol/L)
Direct — 0-0.3 mg/dL (0-5.1 µmol/L)
Blood gases, arterial (patient breathing room air) 
pH - 7.38-7.44 
Pco2 - 35-45 mm Hg
Po2 - 80-100 mm Hg
Oxygen saturation – 95% or greater
Blood urea nitrogen – 8-20 mg/dL (2.9-7.1 mmol/L)
Calcium, serum — 9-10.5 mg/dL (2.2-2.6 mmol/L)
Carbon dioxide content, serum — 23-28 meq/L (23-28
mmol/L)
Chloride, serum — 98-106 meq/L (98-106 mmol/L)
Cholesterol, plasma
Total— 150-199 mg/dL (3.88-5.15 mmol/L), desirable 
Low-density lipoprotein (LDL) — Less than or equal to 130
mg/dL (3.36 mmol/L), desirable 
High-density lipoprotein (HDL) — Greater than or equal to
40 mg/dL (1.04 mmol/L), desirable
Complement, serum
C3 – 55-120 mg/dL (550-1200 mg/L)
Total (CH50) – 37-55 U/mL (37-55 kU/L)
Creatine kinase, serum — 30-170 U/L
Creatinine, serum — 0.7-1.3 mg/dL (61.9-115 µmol/L)
Electrolytes, serum
Sodium — 136-145 meq/L (136-145 mmol/L)
Potassium — 3.5-5.0 meq/L (3.5-5.0 mmol/L)
Chloride — 98-106 meq/L (98-106 mmol/L)
Bicarbonate — 23-28 meq/L (23-28 mmol/L)
Fibrinogen, plasma — 150-350 mg/dL (1.5-3.5 g/L)
Folate, red cell — 160-855 ng/mL (362-1937 nmol/L)
Folate, serum — 2.5-20 ng/mL (5.7-45.3 nmol/L)
Glucose, plasma — Fasting, 70-100 mg/dL (3.9-5.6 mmol/L) 
γ-Glutamyltransferase, serum – 0-30 U/L 
Homocysteine, plasma — Male: 4-16 µmol/L; female: 3-14 µmol/L
Immunoglobulins
IgG - 640-1430 mg/dL (6.4-14.3 g/L)
IgA - 70-300 mg/dL (0.7-3.0 g/L)
IgM - 20-140 mg/dL (0.2-1.4 g/L)
IgD - Less than 8 mg/dL (80 mg/L)
IgE - 0.01-0.04 mg/dL (0.1-0.4 mg/L)
Iron studies
Ferritin, serum — 15-200 ng/mL (15-200 mg/L)
Iron, serum — 60-160 µg/dL (11-29 µmol/L)
Iron-binding capacity, total, serum — 250-460 µg/dL (45-82
µmol/L) 
Transferrin saturation – 20%-50% 
Lactate dehydrogenase, serum — 60-100 U/L
Lactic acid, venous blood — 6-16 mg/dL (0.67-1.8 mmol/L)
Lipase, serum — Less than 95 U/L
Liver studies, serum
Alkaline phosphatase – 36-92 U/L
Aminotransferase, alanine (ALT) — 0-35 U/L
Aminotransferase, aspartate (AST) — 0-35 U/L
Bilirubin
Total — 0.3-1.2 mg/dL (5.1-20.5 µmol/L)
Direct — 0-0.3 mg/dL (0-5.1 µmol/L)
Magnesium, serum — 1.5-2.4 mg/dL (0.62-0.99 mmol/L)
Methylmalonic acid, serum — 150-370 nmol/L 
Osmolality, plasma — 275-295 mosm/kg H2O
Phosphatase, alkaline, serum — 36-92 U/L
Phosphorus, serum — 3-4.5 mg/dL (0.97-1.45 mmol/L)
Potassium, serum — 3.5-5.0 meq/L (3.5-5.0 mmol/L)
Protein, serum
Total – 6.0-7.8 g/dL (60-78 g/L)
Albumin - 3.5-5.5 g/dL (35-55 g/L)
Globulins - 2.5-3.5 g/dL (25-35 g/L)
Prostate-specific antigen, serum – optimal less than 4 ng/mL 
Rheumatoid factor — less than 40 U/mL (less than 40 kU/L)
Sodium, serum — 136-145 meq/L (136-145 mmol/L)
Transferrin saturation – 20%-50% 
Triglycerides — Less than 250 mg/dL (2.82 mmol/L), desirable
Join online test series for homoeopathy MD Entrance at 

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📩Post by
Dr. Mansi 
BHMS

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