Creatine Kinase Isoenzymes (CK Isoenzymes) without Total CK
Also known as: CPK Isoenzymes
Use
Creatine kinase isoenzymes are useful in evaluation of myocardial disease. Isoenzyme MM is found in skeletal muscle, whereas isoenzyme MB is increased in recent myocardial (heart) damage.
Special Instructions
Specimen requirements: Collect serum separator tube or plain red top. Centrifuge and aliquot serum into a plastic aliquot tube and freeze. Transport frozen. Preferred specimen: 2 mL frozen serum (minimum 1 mL). Reject criteria include hemolysis and received thawed. Specimen stability: refrigerated 48 hours, frozen 14 days, ambient unacceptable. Setup days: Mondays. Transport container: plastic aliquot tube.
Limitations
Not provided.
Methodology
Other
Biomarkers
LOINC Codes
- 15048-2
- 12187-1
- 15049-0
- 5912-1
Result Turnaround Time
5-6 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
2 mL
Minimum Volume
1 mL
Container
Plastic aliquot tube
Collection Instructions
Centrifuge and aliquot serum into a plastic aliquot tube and Freeze.
Storage Instructions
Frozen.
Causes for Rejection
Hemolysis; Received thawed
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 48 hours |
| Frozen | 14 days |
Other tests from different labs that may be relevant