Sign in →

Test Code PO4U Phosphate, urine

Additional Codes

Epic Ordering Code LAB3041238
NBS code LBC04788
Service code 31402

Specimen Requirements

Submit the following:

Container:
Random Urine Container

Processing Requirements

Collect mid-stream urine in preservative-free urine container. Unacidified Urine.

Specimen type: Urine

Volume: 10mL

Specimen Stability

Specimen Type Urine
Ambient 2 days
Refrigerate Reject
Frozen Reject

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

Reference interval not available for this test.

Testing Laboratory

National University Hospital

Clinical Chemistry, 67724346

Useful For

Assessment of calcium and phosphate disorders.

Update

Last updated 27/07/2026

LOINC Code Information

13539-2