Question: Virginia Subscriber Answer: But as you mention, you can break the bundle with a modifier under the proper clinical circumstances. In the scenario you describe, you have three coding options based on the clinical scenario your urologist explains in his operative report. Option 1: If your urologist did a biopsy of another area of the urinary tract, such as the bladder or prostatic urethra, report both 52276 for the visual urethrostomy and 52204 for the biopsy. Append modifier 59 (Distinct procedural service) to 52204 to break the bundle. Option 2: If the urologist did the urethrostomy and a biopsy of the strictured area treated, you would only bill for the urethrostomy (52276). Option 3: