Feb 8, 2018




Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Chemistry

Phosphate, Urine

Phosphate, Urine (HCRPO4) Chemistry Lab Test

Name: Phosphate, Urine

Test Name: Phosphate, Urine

Health Link Test Code: HCRPO4

LIS Test Code: RPO4

CPT Code(s): 84105

Methodology: Phosphomolybdate, UV

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 2 hours.

Specimen: Random urine

Collection Container: Sterile screw cap container

Collection Instructions:

Collect random urine No preservative necessary.

Collection Volume: Entire collection

Stability Ambient:

2 days at pH <5

Sample Analyzed: Urine aliquot

Testing Volume: 1 mL

Pediatric Testing Volume: 0.2 mL

Specimen Transport:

Transport entire specimen to the laboratory. Transport with coolant pack if coming from clinic location.


Random urines reported in mg/dL.


Reference ranges only available on urines with a collect time of 22-26 hours.

Additional Information:

For timed collection, refer to Phosphate, Urine, 24 hour.