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HelpTest Code 24 UR PHOS Phosphorus, 24 Hour, Urine
Performing Laboratory
North Ottawa Community Hospital
Specimen Requirements
Specimen Type: Urine
Container/Tube: 24-hour urine container
Specimen Volume: Entire collection
Collection Instructions:
1. Collect a 24-hour urine specimen.
2. No preservative.
3. Refrigerate specimen during collection.
Additional Information:
1. Starting and ending times of collection are
required.
2. Follow instructions in Urine Collection in Special
Instructions.
Reference Values
0.4-1.3 gm/24 hours
Day(s) Test Set Up
Monday through Sunday
Methodology
Bichromatic End point
Specimen Transport Temperature
Refrigerated
Test Classification and CPT Coding
81050-Urine timed measurement
84105-Phosphorus
Special Instructions
Specimen Storage and Stability
| Specimen Type | Temperature | Time |
| Urine | Room Temp | < 6 hours |
| Refrigerated (primary) | <2 days | |
| Frozen | <6 months |