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Laboratory Test Directory

Creatine Kinase, MB (Updated)

Components

Name Method Department Units
Creatine Kinase, MB Chemiluminescence
Immunoassay
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Creatine Kinase, Isoenzyme MB, CK-MB Relative Percent

Specimen Requirements

Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), with Gel

3 mL 3 mL
Stability

Refrigerated - 2 day(s)
Room temperature - 4 hour(s)
Frozen - 1 month(s)

Specimen Preparation

  • Centrifuge within 1 hour, separate supernatant and refrigerate

Serum Spun, Plasma Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), with Gel

3 mL 2 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 2 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 2 mL
Alternate

Gold tube, (SST) with Gel

3.5 mL 2 mL
Alternate

Red Tube (no anticoagulant) with Gel

3 mL 2 mL
Stability

Room temperature - 8 hour(s)
Refrigerated - 3 day(s)
Frozen - 1 month(s)

Specimen Preparation

  • Allow to clot completely at room temperature
  • Centrifuge within 2 hours, separate supernatant and freeze
  • Avoid repeated freeze/thaw cycles

Reasons for Rejection

  • Thawed frozen specimen

Comments

This test is for the MB Isoenzyme only for heart damage detection. If you want all three isoenzymes see test code XCISO (CK Isoenzyme).

CPT Code

  • 82553