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Creatine Kinase Isoenzymes with Scan
Test Code7708
CPT Codes
82550, 82552
Includes
Total CK, CK-BB, CK-MB, CK-MM, Interpretation
Preferred Specimen
2 mL serum collected in a serum separator tube (SST®)
Minimum Volume
1 mL
Other Acceptable Specimens
Plasma collected in a sodium or lithium heparin (green-top) tube
Instructions
If CK and CK Isoenzymes are ordered together, specimen must be submitted frozen.
Transport Container
Plastic screw-cap vial
Transport Temperature
Frozen
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: 14 days
Refrigerated: 48 hours
Frozen: 14 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis • Received thawed
Methodology
Electrophoresis • Enzymatic
Setup Schedule
Set up: Sun-Fri; Report available: 2-3 days
Reference Range
See Laboratory Report
Clinical Significance
Test is 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.
