Normal Laboratory Values - Blood, Plasma and Serum

Blood, Plasma and Serum

Albumin, serum

Albumin, serum

3.5-5.5 g/dL (35-55 g/L)

Alkaline phosphatase, serum

36-92 units/L

α-Fetoprotein, serum

0-20 ng/mL (0-20 µg/L)

Aminotransferase, alanine (ALT)

0-35 units/L

Aminotransferase, aspartate (AST)

0-35 units/L

Ammonia, plasma

40-80 µg/dL (23-47 µmol/L)

Amylase, serum

0-130 units/L

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)

Bilirubin, serum (Direct)

0-0.3 mg/dL (0-5.1 µmol/L)

Blood gases, arterial (ambient air)

pH

7.38-7.44

Pco2

35-45 mm Hg (4.7-6.0 kPa)

Po2

80-100 mm Hg (10.6-13.3 kPa)

Oxygen saturation

95% or greater

Blood urea nitrogen

8-20 mg/dL (2.9-7.1 mmol/L)

C-reactive protein

0.0-0.8 mg/dL (0.0-8.0 mg/L)

Calcium, serum

9-10.5 mg/dL (2.2-2.6 mmol/L)

Carbon dioxide, serum

See Bicarbonate (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)

Complement, serum (Total (CH50))

37-55 U/mL (37-55 kU/L)

Creatine kinase, serum

30-170 units/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 units/L

Homocysteine, plasma (Male)

0.54-2.16 mg/L (4-16 µmol/L)

Homocysteine, plasma (Female)

0.41-1.89 mg/L (3-14 µmol/L)