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Creatinine Clearance
Test CodeCRCL
CPT Codes
82575
Preferred Specimen
Urine 24 hour collection and 0.6 ml of whole blood (0.3 mL of serum or plasma)
Minimum Volume
Urine 24 hour collection and 0.2 mL of whole blood (0.1 mL of serum/plasma)
Instructions
Refrigerate during collection. Include height and weight information. Blood must be drawn within 48 hours of 24 hour urine collection.
Transport Container
Serum separator (gold top). Lithium Heparin (mint or green top), EDTA (lavendar top) and 24 hr urine container
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 3 days
Refrigerated: 5 days
Frozen: Indefinite at -18 C
Methodology
Two Point Rate
Setup Schedule
Daily
Report Available
Inpatient turn around time: stat 2 hours, routine 4 hours. Outpatient specimens received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.
