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Urine protein-to-creatinine ratio

Also called: UPCR, Spot urine protein

This urine test estimates how much protein you lose in a day without a 24-hour collection.

SampleA urine sample
Fasting?Usually not needed
ResultsUsually within 1 to 2 days
Good to knowOne result rarely tells the whole story. Your provider looks at your results together with your symptoms, exam, and other tests.

What the test is

It's used for kidney disease and preeclampsia.

Why it's done

  • Protein on a urine dipstick
  • Kidney disease
  • High blood pressure in pregnancy

Getting ready and what happens

  • None.

How the test is done

  • You pee into a cup.

What the results mean

ResultTypical range for adults
NormalBelow about 0.15 to 0.2 g/g
Suggests preeclampsia in pregnancy0.3 or higher with high blood pressure

Normal ranges vary from lab to lab and can differ by age, sex, and pregnancy. Your report lists your lab's own range next to each result. A result a little outside the range is often not a problem.

High

Points to kidney damage or, in pregnancy, preeclampsia.

When a result needs quick action

Call 911Pregnant with severe headache, vision changes, or upper belly pain

Questions to ask your provider

  • What do my results mean for me?
  • Do I need to repeat this test or have other tests?

Related conditions

Related tests

Sources

Last updated 2026-11-13.