Sign in →

Test Code CK/MB CK and CKMB

Aliases

CKMB

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

  • Adults: 1.0 ml
  • Pediatric: 0.8 mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST
  •  
  • Red Top


Plasma:

 

  • Light Geen Top (lithium heparin)

 

Reference or Target Ranges

CKMB
Female 1 – 5.3 ng/mL
Male 1 – 10.4 ng/mL
CK
Female 20 – 180 U/L
Male 20 – 200 U/L

Reportable Units

CK U/L
CKMB ng/mL

Critical Value

CK >500 U/L
CKMB No critical limits defined for this assay.

NOTE: Critical results will be called to licensed care provider one time per admission

Reasons for Rejection

Hemolysis Threshold CK: 100 mg/dL
CKMB: 1000 mg/dL
Icterus Threshold CK: 60 mg/dL
CKMB: 34 mg/dL
Lipemia Threshold CK: 1000 mg/dL
CKMB: 1500 mg/dL
Other QNS, contaminated, improperly labled, improper specimen type

 

 

Specimen Stability

Ambient 4 hours
Refrigerated (4°C to 8°C) 8 hours
Frozen(-40°C to 0°C) 4 weeks

 

 

Performance Information

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availabilty Yes
Performing Bench UH Chemistry
Methodology/Method Description Roche Cobas – CK: Spectrophotometric Test
CKMB: Two site immunoenzymatic sandwich assay

 

 

Additional Information/Important Notes

CKMB not orderable by itself, must order the combined CK/MB to obtain a CKMB result.

CPT Codes

82550;82553

Panel Components

  • Total CK
  • CK MB