Neutrophil Gelatinase-Associated Lipocalin (NGAL) in Urine

Why Is This Test Done?

Your healthcare provider may order this test if you have symptoms like swelling in your legs, reduced urine output, or if you’re at higher risk for kidney issues, such as after surgery, trauma, or certain medical conditions. It can also be used to check for kidney problems in people with diabetes or high blood pressure.

What Does the Test Involve?

You’ll collect a small sample of your urine in a clean container. The sample is then sent to a lab where it’s analyzed to measure NGAL levels. No special preparation is usually needed, but you may be advised to avoid certain medications or foods before the test.

What Do Results Mean?

Higher than expected NGAL levels in urine may suggest kidney damage or stress, such as from infection, dehydration, or other health problems. Lower levels might indicate normal kidney function or conditions where NGAL isn’t typically released into urine.

How Is the Test Performed?

The test is quick and painless. You’ll likely urinate into the container provided, and the sample is processed immediately or stored for later analysis. The lab uses a sensitive method to detect NGAL, often through immunoassay.