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HelpTest Code LAB420 Osmolality, Urine
Useful For
- Evaluating the concentrating ability of kidneys
- Assessing renal disease, inappropriate secretion of antidiuretic hormone, and diabetes insipidus
Methodology
Freezing Point Depression
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Urine
Container/Tube: Clean container
Specimen Volume: 10 mL
Collection Instructions:
1. Collect a random urine collection.
2. No preservative.
Specimen Transport Temperature
Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Ambient | 4 hours |
| Refrigerated | 5 days | |
| Frozen | 6 months |
Reference Values
50-800 mOsm/kg
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83935