Test Code CR Creatinine, Plasma or Serum
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