Posted Date
Effective Date
Update Type Test Discontinued
CPT Code 82550
Order Code CKELR
Referral Laboratory Mayo Medical Laboratories



Creatine Kinase Isoenzymes by Electrophoresis

Order Code:                  CKELR

Fee Code:                    AA159 (CPT 82550)

Reference Laboratory:   Mayo CKELR


Mayo Clinic Laboratories will discontinue offering their Creatine Kinase Isoenzymes by Electrophoresis assay effective December 19, 2023, due to low utilization. Reflex test CK Isoenzyme Electrophoresis (test ID CKE) (order code CKEL) will also be discontinued.


Creatine Kinase, Total and MB Isoenzyme by Chemiluminescent Immunoassay (CLIA) is available from MLabs (order code TCK).