Test Name
CK-MB
Aliases
CREATINE KINASE MB FRACTION
Abbreviations
CPK-MB
Test Classification
INDIVIDUAL
Department
ROUTINE CHEMISTRY
Sub Department
-
TAT Category
BUSINESS (WORKING) TIME
Estimated TAT
2
TAT Units
HOURS
Test Requirements
Serum in plain tube (red top) or SST tube (yellow top) or in a separation vial. Centrifuge tubes within 1 hour. Separate centrifuged serum in plain tubes within 1 hour.
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Refrigerated
ANALYTE STABILITY
Room Temperature: 2 DAYS at 20-25°C │ Refrigerated: 7 DAYS at 2-8°C │ Frozen: 1 year at -20°C
Clinical Utility
Diagnose and monitor myocardial infarction. Distinguish cardiac muscle damage from skeletal muscle injury.
Last Review
26th Feb 2026