Feb 8, 2018




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

Protein, Urine

Protein, Urine (UTPR) Chemistry Lab Test

Name: Protein, Urine

Test Name: Protein, Urine

Health Link Test Code: UTPR

LIS Test Code: RPRO

CPT Code(s): 84156

Methodology: Benzethonium Chloride

Days Performed: Daily, 24 hours.

In-Lab Turnaround Time: 4 hours.

Stat In-Lab Turnaround Time: 1 hour.

Specimen: Random urine

Collection Container: Sterile screw cap container

Collection Instructions:

Collect random urine. No preservative required.

Collection Volume: 10 mL

Pediatric Collection Volume: 1 mL

Stability Ambient:

1 day

Stability Refridgerated:

7 days

Stability Frozen:

1 month

Sample Analyzed: Urine aliquot

Testing Volume: 1 mL

Pediatric Testing Volume: 0.4 mL

Specimen Transport:

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


Results are reported in mg/dL.


A protein/creatinine ratio will be calculated whenever a spot urine protein and random urine creatinine are ordered together. 


Protein/Creatinine Reference Interval: 

 0 days - 24 months:  0.00 - 0.50
 25 months and up:  0.00 - 0.15

Interpretation Type: Interpretive Guidelines