Question: Can I code for bladder barbotage the urologist does while the patient is also having a cystoscopy? West Virginia Subscriber Answer: If you urologist's documentation does indicate he performed a barbotage procedure, you can report 51700 (Bladder irrigation, simple, lavage and/or instillation). You'll also report 52000 (Cystourethroscopy [separate procedure]) for the cystoscopy. Additionally: