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Test Code RPRCR Urine Protein and Creatinine, with ratio (random)

Important Note

Use this order code when needing the calculated Urine Protein/Urine Creatinine ratio.

Specimen Type

Urine, random collection



Preferred Volume

4 mL

Offsite Collection Instructions

Collect urine without additives.

UCMC Collection Instructions

Collect urine without additives.



Turnaround Time

3 hours

STAT Availability

Not Available

Test Usage

For the determination of the Urine Protein to Urine Creatinine ratio.

Test Methodology

See Individual tests for Urine Protein and Urine Creatinine for more information on specific methodologies.

CPT Code

RPROT: 84156

RCRE: 82570

Test Includes

Quantitate determination of Urine Protein, Urine Creatinine and the Calculated Ratio.

Reference Range

The following reference range is according to KDIGO Clinical Practice Guideline for evaluation and management of CKD (Kidney Inter., Suppl. 2013; 3: 1–150):


 <150 mg/g: normal to mildly increased
150 - 500 mg/g: moderately increased
>500 mg/g: severely increased



Critical Results


Minimum Volume

2 mL

Fee Code

RPROT: 43398

RCRE: 43449