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HelpTest Code PO4U Phosphate, urine
Laboratory Code
LAB3041238
Specimen Requirements
Specimen Type: Urine
Container/Tube: Urine cup
Volume: 100.0 mL
Minimum Volume: 30.0 mL
Collection Instructions: Collect mid-stream urine in preservative-free urine container.
Specimen Stability
| Specimen Type | Urine |
|---|---|
| Ambient | 2 days |
| Refrigerate | Reject |
| Frozen | Reject |
Methodology
Colorimetry
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others: Refrigerated or frozen | Reject |
Reference Interval
Reference interval not available for this test.
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Assessment of calcium and phosphate disorders.
Service Code
31402
LOINC Code Information
13539-2
Update
Last updated 12/03/2025