Protein, w/ Creatinine, Random Urine

Test Code

UPROCRQ

Alias/See Also

Protein, Total, Random Urine with Creatinine
Protein-Creatinine Ratio

Quest Code
1715

CPT Codes
82570, 84156

Includes

Protein, Urine
Creatinine, Urine
Protein/Creatinine Ratio

Preferred Specimen

10 mL aliquot of a random urine, submitted in a plastic, leakproof container

Minimum Volume

2 mL

Transport Temperature

Refrigerated

Specimen Stability

Room temperature: 4 days
Refrigerated: 5 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Acidified urine

Methodology
Colorimetric
Spectrophotometry

Setup Schedule

Sunday a.m.
Monday-Friday all shifts

Report Available

Next day

Clinical Significance

Proteinuria is characteristic of renal disease and concentrations may be increased with diabetes, hypertension, nephritic syndrome, and drug nephrotoxicity.

Performing Laboratory
Quest Diagnostics Nichols Institute
Chantilly, VA

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.