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Labcorp Oklahoma, Inc.
Test Directory


Index:

Creatine Kinase Isoenzymes (CK Isoenzymes)

Order Name ISOCPK REF
Test Number: 5008150
Revision Date 04/22/2024
Test Name Methodology LOINC Code
Creatine Kinase BB Isoenzyme
Quantitative Enzymatic/Electrophoresis 15048-2 
Creatine Kinase MM Isoenzyme
Quantitative Enzymatic/Electrophoresis 15049-0 
Creatine Kinase MB Isoenzyme
Quantitative Enzymatic/Electrophoresis 12187-1 
CK-Macro Type I
Quantitative Enzymatic/Electrophoresis 26019-0 
CK-Macro Type II
Quantitative Enzymatic/Electrophoresis 26020-8 
Creatine Kinase Total
Quantitative Enzymatic/Electrophoresis 2157-6 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred Two 2 mL (1.5) Serum Clot Activator SST Frozen
Instructions Specimen Collection: Please Provide Two Frozen Serum Speciemens 2mL(1.5 mL) Each ASAP 
Due to complexity of testing at the performing laboratory and To avoid delays in turnaround time when requesting multiple tests on frozen samples. - 
Notes: 1.5 mL (Note: This volume Does NOT allow for repeat testing.for each specimen)
Specimen Type: Red-top tube or gel-barrier tube
Specimen Storage: Refrigerate up to 48 hours. FREEZE (-20 degrees C) up to two weeks.

Special Instructions: State patient's sex on the request form.
GENERAL INFORMATION
Expected TAT 3 - 6 days  
Clinical Use The creatine kinase isoenzyme test separates the major isoenzymes of creatine kinase (CK-MM Isoenzyme (muscle), CK-MB Isoenzyme (specific for cardiac muscle), and CK-BB Isoenzyme (found in brain, prostate, gut, lung, bladder, uterus, placenta, and thyroid) by electrophoresis. Creatine Kinase Isoenzymes is useful in the evaluation of myocardial disease. Isoenzyme CK-MM is found in skeletal muscle whereas isoenzyme CK-MB is increased in recent myocardial (heart) damage. 
Performing Labcorp Test Code 002154 
CPT Code(s) 82552; 82550
Lab Section Reference Lab