Medically reviewed by Femi Aremu, PharmD A creatine kinase (CK) test measures the levels of the enzyme in your blood.High levels can be a sign of damage to the muscles, heart, or brain.A doctor may ...
DEAR DR. ROACH: Since September, my son has been in the hospital for a high CK level. Initially, the CK level was 4,000, and as of yesterday, it’s increased to 8,000. Since his result is so high, his ...