Acute Care™ CK-MB (mass)
 
 
Siemens Healthcare Diagnostics, Inc.
A commonly used laboratory test to confirm the existence of myocardial damage is the measurement of a small fraction of the creatine kinase (CK) enzyme, mass CK-MB (mCK-MB). mCK-MB will not normally be elevated until 6 to 8 hours after the onset of MI.1