Proceeds from website advertising help sustain Lab Tests Online. AACC is a not-for-profit organization and does not endorse non-AACC products and services.

Urine Protein and
Urine Protein to Creatinine Ratio

Print this article
Share this page:
Also known as: 24-Hour Urine Protein; Urine Total Protein; Urine Protein to Creatinine Ratio; UPCR
Formal name: Urine Protein

At a Glance

Why Get Tested?

To detect excessive protein escaping into the urine, to help evaluate and monitor kidney function, and to detect kidney damage

When to Get Tested?

As part of a routine physical, as a follow-up to a previous positive urine protein test, or when you have a disorder or disease that affects the kidney

Sample Required?

A random or 24-hour urine sample; occasionally, a split 24-hour sample, with the night collection separated from the day collection

Test Preparation Needed?

None