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.
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
0080480 Creatine Kinase, MB
Test Number
Components
Reference Interval
0080481 Creatine Kinase, Isoenzyme MB Female 0 - 4.3 ng/mL
Male 0 - 7.7 ng/mL

  CK-MB Relative Percent 0.0-5.0%
0020010 Creatine Kinase, Total, Serum or Plasma Male
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



Compliance Category

FDA

Note

Creatine Kinase, MB is quite labile.

Hotline History
N/A
CPT Codes

82553; 82550

Components
Component Test Code* Component Chart Name LOINC
0020010 Creatine Kinase, Total, Ser/Pla 2157-6
0080481 Creatine Kinase, Isoenzyme MB 13969-1
0080482 CK-MB Relative Percent 12189-7
* 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
Creatine Kinase, MB and Relative Percent