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HelpTest Code PHOSU(random), or URPHO (24 hr urine) Phosphorus, Urine
Additional Codes
24h: LAB5064
Random: LAB427
Methodology
Used to monitor phosphorus metabolism.
Performing Laboratory
St. Mary's Regional Medical Center-Chemistry
CPT: random 84105
CPT: 24 hour 84105
Specimen Requirements
24-hour urine:
Submit an entire 24-hour urine collection in a plastic urine container.
Note:
1. 15 mL of 6N HCL must be added to the urine container prior to collection.
2. Starting and ending times of collection are required.
3. Follow instructions in Urine Collection in Special Instructions.
Random urine:
No preservative needed for random urine specimen.
Reference Values
≥12 years: 0.4-1.3 g/24 hours
Day(s) Test Set Up
Monday through Sunday