Creatine Kinase (CK) (1001)

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Category:

CPT Code:

82550

Test Type: 1.0 mL Serum or Plasma Kit Based
Stability Time:

Stability

Refrigerated: 7 days

Reference Range:

Male

  • Optimal: <300 U/L
  • Borderline: 300-1500 U/L
  • Increased Risk: >1500 U/L

Female

  • Optimal: <200 U/L
  • Borderline: 200-1000 U/L
  • High Risk: >1000 U/L

Overview:

CK is an enzyme that is found in muscle, heart, and brain tissues.

Methodology

Enzymatic

 

Elevated serum levels are found in skeletal muscle diseases, myocardial infarction, and cerebral ischemia/injury.

Collection Details:

Collection Instructions:

Preferred Specimen

1.0 mL serum (0.5 mL minimum) collected in serum separator tube (SST/Tiger Top)

Alternate Specimen

1.0 mL EDTA plasma (0.5 mL minimum) collected in plasma separator tube (Pearl Top)

Transport Temperature

Refrigerated (ship on frozen cold packs)

Stability

Refrigerated: 7 days