 A kidney biopsy involves taking one or more tiny samples of your kidney for observation. Please inform your doctor about all current medications. Blood thinners should be stopped at least 5-7 days prior to the procedure. You must undergo prothrombin time and partial prothrombin time blood tests before the test. The procedure is done from the back post-local anesthesia and involves an ultrasound guided gun shot renal biopsy and takes about 20 minutes. You must avoid movement during the procedure. Post procedure, dinoplast dressing is done and you must lie still on your back for 2 more hours. You will be under observation for 6 hours post biopsy and then discharged. Reports will be issued in 5 days. You must be on bed rest for 24 hours more and follow a prescribed renal diet. If blood in the urine is observed, please contact your doctor immediately.