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Test Code CR Creatinine, Plasma or Serum

Important Note

Contains Glomerular Filration Rate (GFR)

Performing Laboratory

Chilton Hospital Laboratory-Chemistry

Methodology

Two-point Rate (IDMS-Traceable)

Specimen Requirements

Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), gold or tiger top (serum gel)

Specimen Volume: Full tube

Specimen Transport Temperature

Ambient

Reference Values

Males: 0.7-1.2 mg/dL

Females: 0.6-4.0 mg/dL

Critical value (automatic call-back): ≥7.0 mg/dL

Day(s) Test Set Up

Monday through Sunday

Available STAT

Turnaround Time:

Routine-8 hours