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CK (CPK or Creatine Kinase)

Mnemonic:    [CK]
Name:    CK (CPK or Creatine Kinase)
Specimen:    1 mL plasma from a Green PST. Serum from a red top is also acceptable.

A green top (heparinized plasma) is preferable since neither a troponin nor a CK-MB can be added to a serum sample.
Spec Stability:    Stable 5 days refrigerated.
Reference Range:    Male: 70 - 250 U/L
 Female: 30 - 135 U/L
  Method:    Enzymatic