CK-MB (CK-2)
Test Code
17581
82553
In-home collection is not available in your area through Quest Mobile.
Clinical Significance
CK-MB (CK-2) -
This test measures creatinine kinase (CK)-MB, a CK isoenzyme, and may help assess patients with suspected acute coronary syndrome or reinfarction when troponin T and I testing are not available [1].
CK is a dimeric enzyme that exists in 3 types of isoenzymes: CK-BB, CK-MM and CK-MB. CK-MM is the primary isoenzyme found in the skeletal muscle and heart tissue. CK-BB is mainly found in the brain and smooth muscle of gastrointestinal track and urinary bladder. CK-MB is mainly found in the heart with a small amount in skeletal muscle [2].
The quantitation of CK-MB levels in serum was ...
Test Resources
None found for this test
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Please visit our Clinical Education Center to stay informed on any future publications, webinars, or other education opportunities.
Test Details
Methodology
Chemiluminescence (CL)
Reference Range(s)
0-5.0 ng/mL
Alternative Name(s)
MB Fraction,CPK-MB,CPK MB,CKMB
Preferred Specimen(s)
2 mL frozen serum
Alternative Specimen(s)
Refrigerated serum up to 48 hours
Minimum Volume
1 mL
Transport Container
Transport tube
Transport Temperature
Frozen
Specimen Stability
- Room temperature: Unacceptable
- Refrigerated: 48 hours
- Frozen: 30 days
Reject Criteria
Hemolysis
Setup Schedule
2 mL frozen serum
Refrigerated serum up to 48 hours
1 mL
Transport tube
Frozen
Room temperature: Unacceptable
Refrigerated: 48 hours
Frozen: 30 days
Refrigerated: 48 hours
Frozen: 30 days
Hemolysis