Test Code CRE24 Creatinine, 24 Hour, Urine
Methodology
Two-point Rate
Urine creatinine, in conjunction with serum creatinine, is used to calculate the creatinine clearance (a measure of renal function).
Specimen Requirements
Container/Tube: Plastic urine container
Specimen Volume: 10 mL from a well-mixed, 24-hour urine collection
Collection Instructions: No preservative. Refrigerate specimen during collection.
Note: 1. Starting and ending times of collection and total volume are required.
2. Follow instructions in “Urine Collection, 24-Hour” in Special Instructions.
Day(s) Test Set Up
Monday through Sunday
Reference Values
800-2,800 mg/24 hours
Performing Laboratory
Logan Health Medical Center-Chemistry
Test Classification and CPT Coding
82570
Specimen Transport Temperature
Refrigerate