Test Code 1001
Test Details
Creatine Kinase (CK)
CK is an enzyme that is found in muscle, heart, and brain tissues.
Methodology
Creatine phosphate/NADP
Patient Preparation
None
Preferred Specimen
Green Top Tube
(Lithium Heparin plasma separator tube with gel)
Alternate Specimen
Transport Temperature
Refrigerated (ship on frozen cold packs)
Stability
Refrigerated: 5 days
Lab Values
Creatine Kinase (CK)
Male
- Optimal: <300 U/L
- Borderline: 300-1500 U/L
- Increased Risk: >1500 U/L
Female
- Optimal: <200 U/L
- Borderline: 200-1000 U/L
- High Risk: >1000 U/L
Clinical Significance
Creatine Kinase (CK)
Elevated serum levels are found in skeletal muscle diseases, myocardial infarction, and cerebral ischemia/injury.
Treatment Options
Creatine Kinase (CK)
- Identify etiology of elevated CK with physical assessment and additional diagnostic tests as indicated.
- Treatment is based on etiology of elevation.
