Creatine Kinase (CK), Total and MB Isoenzyme, Serum

Additional Info:
CK-MB will be performed if indicated by Total CK result. This further testing considered medically appropriate will be reflexed, resulting in additional charges.

Methodology: Enzymatic, Electrochemiluminescence

Specimen Requirements: 1 yellow-top SST tube (minimum: 1.0 mL of serum). Centrifuge SST 30 minutes after draw. Refrigerate specimen after collection.

Green-top (lithium heparin) is also acceptable.
CK-MB isoenzyme determinations are done if the total creatine kinase is >100 IU/L.
It is suggested to order test in triplicate, each drawn 8 hours apart.
Specimens must be received and analyzed within 4 hours.

Analytical Time: 1 day

Days Set Up: Monday through Sunday

CPT Reflex: Reflex Code: 82553-CK-MB isoenzyme

CPT Information:
82550 –
CK, total

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