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HelpTest Code 24PO4 Phosphate, urine, 24 hr
Additional Codes
| Epic Ordering Code | LAB426 |
| NBS code | LBC04788 |
| Service code | 31402 |
Specimen Requirements
Submit the following:
| Container: |
| 24 Hr Urine Container |
Preservative types accepted: No preservative, Thymol
Processing Requirements
Specimen type: 24hr Urine
Volume: Cumulative urine collection over 24 hours
Specimen Stability
| Specimen Type | 24 hr urine |
|---|---|
| Ambient | 2 days |
| Refrigerate | Not available |
| Frozen | Not available |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others: Refrigerated or frozen | Reject |
Methodology
Colorimetry
Days and Times Performed
24 hrs, TAT 1 day
Reference Interval
12.9 – 42.0 mmol/day
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Assessment of calcium and phosphate disorders.
LOINC Code Information
| Urine volume, total | 3167-4 |
|---|---|
| Phosphate, urine | 13539-2 |
| Phosphate, urine, 24 hr | 25973-9 |
Alias
24PO4
Update
Last updated 31/07/2026