A creatine kinase test is a blood test that measures levels of an enzyme called creatine kinase. This enzyme supports energy ...

Your body produces the enzyme creatine kinase (CK) or creatine phosphokinase to keep your muscles functioning properly. Healthcare providers use the CK test to check levels of this protein in your ...

Definitions for what constitutes elevation of creatine kinase-MB (CK-MB) vary widely among centers. Setting absolute rather than relative thresholds may help pinpoint clinically relevant levels of the ...