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Creatine Kinase
3008
cpt
normal turn-around time
assays included
specimen type
minimum required
CK
82550
24 hours
CK
Serum or Plasma
1 mL of serum or heparinized plasma
collection instructions
Collect blood in a serum separator tube (SST) or a lithium heparin tube.
Allow the blood to clot at room temperature for 30 minutes if using an SST.
Centrifuge and separate serum or plasma from cells within 2 hours of collection.
Transport the specimen at 2-8°C if not tested within 2 hours.
collection instructions
Hemolysis: Red blood cell destruction can affect test results.
Clotted Specimen: Plasma specimens must be anticoagulated.
Improper Labeling: Specimen must be labeled with at least two patient identifiers.
Insufficient Quantity: Volume less than 1 mL may not be sufficient for all tests.
Delayed Transportation: Specimens must be processed and tested within the specified time frame to ensure accuracy.
Serum or plasma must be separated from cells within 2 hours and kept refrigerated if there is any delay in testing.
Lipemia: Excessive fat in the blood can interfere with certain test results
clinical significance
The Creatine Kinase (CK) test measures the levels of CK, an enzyme found mainly in the heart, brain, and skeletal muscles. Elevated levels of CK can indicate muscle damage or injury,
such as in myocardial infarction (heart attack), muscular dystrophy, inflammatory muscle diseases (myositis), and
strenuous exercise. It is also used to monitor muscle damage during certain medical treatments.