Creatine Kinase

CK Total CK CPK Creatine Phosphokinase
Serum (SST) U/L

About this test

Enzyme present in skeletal muscle, cardiac muscle, and brain. Non-specific marker of muscle injury.

Reference Ranges

Sex Age Range Notes
Female ≥ 18 yrs 26 – 192 Adult female
Male ≥ 18 yrs 38 – 308 Adult male

Clinical Interpretation

High / Increased
Myocardial infarction, rhabdomyolysis, myositis, muscular dystrophy, hypothyroidism, statin myopathy, vigorous exercise.

Related Tests

Specimen
Serum (SST)
Reporting Unit
U/L

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.