Creatinine, 24 Hour, Urine
UCRT
Specimen Requirements
Submit an entire 24-hour urine collection in a urine container. No preservative. Send specimen refrigerated.
Note: 1. Starting and ending times of collection are required.
2. Follow instructions in Urine Collections in Special Instructions.
Methodology
Rate, Enzymatic
Reference Values
Males: 1.0-2.0 g/24 hours
Females: 0.8-1.8 g/24 hours
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
81050-Urine timed measurement
82575-Creatinine