Creatine Kinase

Diagnostic Testing Medical

Test name: Creatine Kinase

Order Code: CK

Preferred Specimen: 2mL serum in a Serum Separator Tube (SST or Tiger-top)

CPT Code: 82550

Collection: Allow SST to clot in an upright position for 30 min, then centrifuge sample within 2 hours of collection. Refrigerate.

Special Instructions and Considerations: Cyanokit (Hydroxocobalamin) at therapeutic concentrations interferes with the test.

Transport Temperature: Refrigerated

Specimen Stability: 2 days under room temperature; 7 days refrigerated

Causes for Rejection: Moderate or Greater Hemolysis

Arbor Diagnostics