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Thread: Urodynamics - Hi there everyone

  1. #1

    Default Urodynamics - Hi there everyone

    AAPC: Back to School
    Hi there everyone,

    Would anyone have some helpful internet resources that they found on urodynamics? I am somewhat new to Urology and don't have these coming across my desk as much as I would like so I could get used to them. So whenever I do get them I am sooo confused!!

    Thank you!

  2. #2


    I feel your pain... Take a look at the below. It's something that I've reviewed. Print in out and keep it. Keep it mind that the 51725, 51726, 51729 are dependant on the level of the Urodynamics.

    When your urologist says he performed urodynamics tests, you need to dig deeper into his documentation for clues about which code to report. Tack this overview up by your computer to help you quickly choose the right code every time.

    • In a simple CMG (51725, Simple cystometrogram [e.g., spinal manometer]), the urologist places a small catheter in the bladder, fills the bladder by gravity, and measures capacity and storage pressures using a spinal manometer.

    • A complex CMG (51726, Complex cystometrogram [e.g., calibrated electronic equipment]) involves filling the bladder through a catheter and measuring the pressures with calibrated electronic equipment. If your urologist also performs a urethral pressure profile (UPP), report 51727 (Complex cystometrogram [i.e., calibrated electronic equipment]; with urethral pressure profile studies [i.e., urethral closure pressure profile], any technique). For a complex CMG with voiding pressure study, report 51728 (… with voiding pressure studies [i.e., bladder voiding pressure], any technique).
    For a complex CMG with voiding pressure study and UPP, use 51729 (… with voiding pressure studies [i.e., bladder voiding pressure] and urethral pressure profile studies [ie, urethral closure pressure profile], any technique).

    • During a simple UFR (51736, Simple uroflowmetry [e.g., stopwatch flow rate, mechanical uroflowmeter]), the urologist visually observes the urine flow, sometimes using a stopwatch to gauge and measure the flow.

    • A complex UFR (51741, Complex uroflowmetry [e.g., calibrated electronic equipment]) makes use of special electronic equipment to measure the urine flow.

    • EMG studies (51784, Electromyography studies of anal or urethral sphincter, other than needle, any technique), in which the urologist places skin patch electrodes on the perineum to measure electrical and muscular activity of the perineal muscles and urinary sphincter.

    • A needle EMG (51785, Needle electromyography studies of anal or urethral sphincter, any technique) involves placing needles into the pelvic floor to measure muscle activity during bladder filling and at rest. Few urologists use needle electromyography these days.

    • Stimulus evoked response (51792, Stimulus evoked response [e.g., measurement of bulbocavernosus reflex latency time]) involves stimulating the sacral arch via the glans or clitoris and measuring motor activity in the pelvic floor or urethral sphincter. Urologists rarely perform this test.

    • VP studies (+51797, Voiding pressure studies, intra-abdominal [i.e., rectal, gastric, intraperitoneal][List separately in addition to code for primary procedure]) measure specific pressures during oiding. This is an add-on code that cannot be independently billed. You can bill this with 51728 or 51729.

    • Valsalva (abdominal) leak point pressure: The urologist asks the patient to bear down forcefully (Valsalva maneuver) while he observes the abdominal pressure at which leakage occurs from the bladder at the urethral meatus (around the urethral catheter) when the bladder has been filled with a minimum of 150 cc of fluid. The bladder pressure at leakage is called the leak point pressure. This is now included in 51727 and 51729.

  3. #3
    Join Date
    Apr 2007
    Macon, Georgia


    That is great information! Thank you for sharing it. I have a quick question as well. I have patients that come in and they have all the equipment attched, inserted, and the bladder is filled but then the patient is unable to urinate. I know there should be something that can be billed.

    Thanks again!

  4. #4


    I have to give credit to ASC CODER as she passed that info to me a while back which helped me so much!

    Is sounds like your procedure was discontinued... Bill your codes our with modifier -53 to show discontinued. Good luck

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