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Creatine Kinase, MB and Relative Percent
3002030
Ordering Recommendation

Troponin I (0090613) or Troponin T (cTnT) 5th Generation (3001831) are the recommended tests for diagnosis and management of acute coronary syndrome. 

Mnemonic
CKMB PCT
Methodology
Chemiluminescent Immunoassay/Quantitative Enzymatic
Performed
Sun-Sat
Reported
Within 24 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Serum Separator Tube (SST), Green (Lithium Heparin), or Lavender (K2 or K3 EDTA). 
Specimen Preparation
Allow specimen to clot for 15-20 minutes at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL) 
Storage/Transport Temperature
Frozen. 
Unacceptable Conditions
Specimens containing particulate material. Grossly hemolyzed specimens. 
Remarks
 
Stability
After separation from cells: Ambient: 12 hours; Refrigerated: 72 hours; Frozen: 1 month (No freeze/thaw cycles) 
Reference Interval
Test Number
Components
Reference Interval
0080480Creatine Kinase, MB
Test Number
Components
Reference Interval
0080481Creatine Kinase, Isoenzyme MBFemale 0 - 4.3 ng/mL
Male 0 - 7.7 ng/mL

 CK-MB Relative Percent0.0-5.0%
0020010Creatine Kinase, Total, Serum or PlasmaMale
0-19 years: By report
20 years and older: 20-200 U/L 

Female
0-19 years: By report
20 years and older:  20-180 U/L

Interpretive Data


Note
Creatine Kinase, MB is quite labile.
Hotline History
View Hotline History
Components
Component Test Code*Component Chart NameLOINC
0020010Creatine Kinase, Total, Ser/Pla2157-6
0080481Creatine Kinase, Isoenzyme MB13969-1
0080482CK-MB Relative Percent12189-7
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • CK MB
  • CKMB
  • CPK MB