Urine Protein, Total, without Creatinine

Test Code

14523

CPT Codes
84156

Preferred Specimen

10 mL of a well-mixed random urine collected in a no preservative plastic urine container

Minimum Volume

2 mL

Other Acceptable Specimens

Random urine collected in a urinalysis transport tube (yellow-top, blue fill line)

Transport Temperature

Room temperature

Specimen Stability

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

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

Acidified urine

Methodology
Spectrophotometry-Colorimetric

Setup Schedule

Monday-Sunday All Shifts
Report available: 4 Days

Reference Range

Male	5-25	mg/dL
Female	5-24	mg/dL

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
14225 Newbrook Drive
Chantilly, VA 20153

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.