CK-MB (activity) measures the enzymatic activity of CK-MB in blood. It is used to help diagnose heart attacks and monitor heart damage. This is the enzyme activity assay (U/L).
Category: Cardiac Markers
Also known as: ck-mb activity, ck mb activity, creatine kinase mb activity, cpk-mb activity
Reference range: 0–25 U/L (Source: ABIM)
Standard unit: U/L
High values may indicate
High CK-MB activity may indicate heart attack (myocardial infarction), myocarditis, cardiac surgery trauma, or cardiac contusion.
Low values may indicate
Low or undetectable CK-MB activity is normal and suggests no significant heart muscle damage.