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HelpTest Code Billings Clinic: 4171 Uric Acid, 24 Hour, Urine
Performing Laboratory
Billings Clinic Laboratory: Chemistry
Useful For
Assessment and management of patients with kidney stones, particularly uric acid stones
Methodology
Uricase / Bichromatic endpoint
Specimen Requirements
- 10 mL from a 24-hour urine collection in a urine container
- Keep specimen at room temperature during collection, and send specimen ambient and at an alkaline pH (pH can be adjust upon arrival at Billings Clinic).
- 24-Hour volume is required on request form for processing.
- Follow instructions in “Urine Collection” under Resources
Storage/Stability
| Type | Temperature | Time |
| Urine (Alkaline) | Ambient | 4 days |
Reference Values
150 - 990 mg/24 hours
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
84560 - Uric acid, other source
LOINC Code Information
| Reporting Name | LOINC Code |
| Uric Acid, Urine, 24 Hour | 21587-1 |