Urine Protein-to-Creatinine Ratio (UPCR) or Protein-to-Creatinine Ratio (PCR)

Why This Test Is Done

Your doctor may order this test if you have symptoms like swelling, frequent urination, or unexplained weight changes. It’s also used to monitor kidney disease, high blood pressure, or diabetes progression. Sometimes, it’s part of a routine check for people at higher risk of kidney problems.

What to Expect Before the Test

No special preparation is needed. You’ll provide a urine sample, often collected in the morning. If you’re using diuretics (like caffeine or certain medications), your doctor may advise timing your sample around them to avoid false results.

What the Test Results Mean

Results are typically reported as a ratio (e.g., 0.5 or 3.0). Higher ratios may indicate kidney issues, such as proteinuria (excess protein in urine), which can signal conditions like diabetes, kidney disease, or glomerulonephritis. Your doctor will interpret these results in the context of your overall health.

Common Conditions This Test Helps Diagnose

This test can help identify or monitor conditions like diabetic nephropathy (kidney damage from diabetes), glomerulonephritis (inflammation of kidney filters), or early-stage kidney disease. It’s also useful for tracking responses to treatments for conditions affecting the kidneys.