Test Overview

Test Methodology

Colorimetric (Pyrogallol Red)

Test Usage

To aid in the diagnosis of proteinuria, evaluate renal function.

Reference Range*

0 - 0.15 g/24 hrs (0-150 mg/24 hrs). Random urine protein/creatinine ratio: 0.01 - 0.18.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed

Daily, 24 hours

Analytic Time

8 hours

Soft Order Code


MiChart Code

Protein, Urine


Chemical Pathology

Looking to Order a Test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Specimen Requirements

Offsite Collection Instructions

Collect 24 hour urine specimen with no preservative. Aliquot 5 mL into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable, in which case a protein/creatinine ratio will be reported.

Rejection Criteria

Specimens collected with Acid Preservative are not acceptable. Diapers, sections of diapers, swabs or any other absorbent material will not be accepted as a collection container for urine. Urine collected in acid preservative is unacceptable.

Normal Volume

5 mL aliquot of 24 hour urine collection or 2 mL aliquot of random urine collection.

Minimum Volume

2 mL aliquot of 24 hour urine collection or 1 mL aliquot of random urine collection.

Additional Information

For random urine specimens, a Urine Creatinine will also be performed at no additional charge.

Billing Information

Fee Codes

CPT Code



PROTU 2888-6 PROTQ 2889-4

Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ