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Creatinine, Serum or Plasma

Mnemonic:    [CREAT]
Name:    Creatinine, Serum or Plasma
Specimen:    1 mL serum from a Red SST or Red top tube, or plasma from a Green PST.
Spec Stability:    Stable 5 days refrigerated.
Reference Range:    Males: 0.8 - 1.2 mg/dL
 Females: 0.6 - 1.0 mg/dL
  Method:    Enzymatic
Note:    As of September 24, 2007, this assay has been calibrated to an IDMS standard.