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HelpTest Code Billings Clinic: 4149 Phosphorus, Random, Urine
Performing Laboratory
Billings Clinic Laboratory: Chemistry
Useful For
- Evaluation of hypo- or hyperphosphatemic states
- Evaluation of patients with nephrolithiasis
Methodology
Phosphomolybdate UV/Bichromatic Endpoint
Specimen Requirements
- 10 mL from a random urine collection in a detergent-free urine container.
- Send specimen refrigerated.
Storage/Stability
| Specimen Type | Temperature | Time |
| Urine | Refrigerated (acidified) | 6 months |
| Frozen | NA |
- Sample must be acidified to pH < 3.0 using 6M Hydrochloric acid prior to testing
Reject Due To
- Specimen received frozen
Reference Values
Not established
Day(s) Test Set Up
Daily
Test Classification and CPT Coding
84105 - Phosphorus, urine
LOINC Code Information
| Reporting Name | LOINC Code |
| Phosphorus, Urine | 2778-9 |