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Test Code CKMB.1 CREATINE KINASE MB

Important Note

24 hours before this blood test: Do not take any supplements containing biotin or Vitamin B7 which are commonly found in hair, skin, and nail supplements, and multi-vitamins.

Sufficient Biotin concentrations in serum can lead to falsely decreased results.

Methodology

Chemiluminescent Immunoassay 

CKMB usually peaks between 12 and 24 hours after myocardial infarction and returns to normal in 48 to 72 hours in an uncomplicated case. CKMB is also commonly increased in myocarditis, Duchenne muscular dystrophy, polymyositis, rhabdomyolysis, and other myocardial or myopathic disorders.

Specimen Requirements

Container/Tube: Green-top (lithium heparin) tube(s)

Specimen Volume: 1 mL (minimum volume: 0.5 mL) of plasma-Grossly hemolyzed specimen is not acceptable.

Collection Instructions: Spin down within 2 hours of draw.

Day(s) Test Set Up

Monday through Sunday

Reference Values

0-2.4 ng/mL

Performing Laboratory

Logan Health Medical Center-Chemistry

Test Classification and CPT Coding

82553

Specimen Transport Temperature

Refrigerate