Page 914 - Textbook of Pathology, 6th Edition
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TABLE A-3: Clinical Chemistry of Blood.
Reference Value
Component Fluid Conventional SI Units
Alcohol, ethyl Serum/whole blood Negative Negative
mild to moderate intoxication 80-200 mg/dl
marked intoxication 250-400 mg/dl
severe intoxication >400 mg/dl
Aminotransferases (transaminases)
aspartate (AST, SGOT) Serum 12-38 U/L 0.20-0.65 μkat*/L
alanine (ALT, SGPT) Serum 7-41 U/L 0.12-0.70 μkat/L
Ammonia Plasma 19-60 μg/dl 11-35 μmol/L
Amylase Serum 20-96 U/L 0.34-1.6 μkat/L
Bilirubin
total Serum 0.3-1.3 mg/dl 5.1-22 μmol/L
direct (conjugated) Serum 0.1-0.4 mg/dl 1.7-6.8 μmol/L
indirect (unconjugated) Serum 0.2-0.9 mg/dl 3.4-15.2 μmol/L
Blood volume
total 60-80 ml/kg body weight
red cell volume, males 30 ml/kg body weight
females 25 ml/kg body weight
Plasma volume, males 39 ml/kg body weight
females 40 ml/kg body weight
Bromsulphalein (BSP) test
5 mg/kg body weight Serum <5% retention in
serum after 45 min
Calcium, total Serum 8.7-10.2 mg/dl 2.2-2.6 mmol/L
Calcium, ionised Whole blood 4.5-5.3 mg/dl 1.12-1.32 mmol/L
–
Chloride (Cl ) Serum 102-109 mEq/L 102-109 mmol/L
Cholesterol Serum
total desirable for adults <200 mg/dl <5.17 mmol/L
borderline high 200-239 mg/dl 5.17-6.18 mmol/L
high undesirable ≥240 mg/dl >6.21 mmol/L
LDL-cholesterol, desirable range <130 mg/dl <3.34 mmol/L
borderline high 130-159 mg/dl 3.36-4.11 mmol/L
high undesirable ≥160 mg/dl >4.11 mmol/L
HDL-cholesterol, protective range >60 mg/dl >1.55 mmol/L
APPENDIX
low <40 mg/dl <1.03 mmol/L
triglycerides <160 mg/dl <2.26 mmol/L
CO content Plasma 22-30 mEq/L (arterial) 22-30 mmol/L (arterial)
2
Copper Serum 70-140 μg/dl 11-22 μmol/L
C-reactive proteins Serum 0.2-3.0 mg/L 0.2-3.0 mg/L
Creatine kinase (CK), total Serum
males 51-294 U/L 0.87-5.0 μkat/L
females 39-238 IU/L 0.66-4.0 μkat/L
Normal Values
Creatine kinase-MB (CK-MB) Serum 0-5.5 ng/ml 0-5.5 μg/L
Creatinine Serum 0.6-1.2 mg/dl 53-106 μmol/L
Electrophoresis, protein Serum See under proteins
Gamma-glutamyl trans- Serum 9-58 IU/L 0.15-1.00 μmol/L
peptidase (transferase) (γ-GT)
Gases, arterial
–
Bicarbonate (HCO 3 ) Whole blood 22-30 mEq/L 22-30 mmol/L
pH Whole blood 7.35-7.45 7.35-7.45
Whole blood 22-45 mmHg 4.3-6.0 kPa
P CO 2
Whole blood 72-104 mmHg 9.6-13.8 kPa
P O 2
*μkat (kat stands for katal meaning catalytic activity) is a modern unit of enzymatic activity.
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