Renal biopsy

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Kidney anatomy

Kidney - blood and urine flow

Renal biopsy

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Tell your doctor if you are pregnant or if you have any drug allergies or bleeding problems. Make sure the health care team knows what medications you are taking.

You may be told to avoid foods or fluids before the test.

The amount of pain during and after the procedure depends on the patient. Because a local anesthetic is used, discomfort during the procedure is usually minimal. The anesthetic may burn or sting when first injected. After the procedure, the area may feel tender or sore for a few days.

You may see bright, red blood in the urine the first 24 hours after the test. If the bleeding lasts longer, tell your health care provider.

Your doctor may order a kidney biopsy if you have an unexplained drop in kidney function, persistent blood in the urine, or protein in the urine. The test is sometimes used to evaluate a transplanted kidney.

Review Date: 12/21/2009
Reviewed By: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Scott Miller, MD, Urologist in private practice in Atlanta, Georgia. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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