Preferred Specimen(s) 1 mL serum
Instructions If CK and CK Isoenzymes are ordered together, specimen must be submitted frozen
Transport Container Plastic screw-cap vial
Transport Temperature
- Ambient 5 days,
- Refrigerated 2 weeks
Reject Criteria
- Hemolysis
- Anticoagulants other than heparin
Methodology Spectrophotometry (SP)
Clinical Significance Test for myocardial infarction and skeletal muscle damage. Elevated results may be due to: myocarditis, myocardial infarction (heart attack), muscular dystrophy, muscle trauma or excessive exercise.