Urine Analysis with Catheter-Guided Collection for Kidney Drainage Fluid

Why This Test Is Done

Your healthcare provider may order this test if you have a blocked urinary tract, kidney issues, or need to monitor fluid drainage after procedures like surgery or a kidney biopsy. It helps determine if the drainage is clear, if there’s an infection, or if the kidneys are producing fluid normally.

What to Expect Before the Test

You’ll likely be instructed to empty your bladder before the test. A healthcare professional will insert a catheter into your kidney to collect the drainage fluid. This may cause mild discomfort but shouldn’t be painful. Bring any medications or medical devices you use to the testing site.

What the Test Involves

The collected fluid is sent to a lab for microscopic and chemical analysis. Tests may include checking for red or white blood cells, bacteria, protein, or other substances that could indicate infection, inflammation, or kidney problems.

Possible Results and Their Meaning

Clear or cloudy fluid with no unusual cells or bacteria suggests normal drainage. Cloudiness, red blood cells, or bacteria may indicate infection, bleeding, or kidney damage. Your provider will discuss results with you based on your symptoms and medical history.