- A bladder ultrasound is performed and if any urine is present the patient is asked to void into a jug and this is measured. The difference between the volume in the bladder according to the scan and the volume of voided urine gives the residual volume;
It might be best to start by showing you exactly where these new G codes will go on the claim form. See pic below. Where the codes go. Highlights (refer to the pic above of a physical therapy billing g codes on a claim): 1  The G codes go in the same column as your CPT codes but do not carry with it any charges. 2  The C modifier goes into one of the four âmodifiersâ column.
If a patient schedules an Annual Wellness Visit and needs a refill of medications or follow-up of a chronic problem or problems, the physician will submit a bill to Medicare with a service code of G0438 (for the first visit) or G0439 (for subsequent visits) and will also submit an evaluation and management service code of 99212 - 99215, depending on the time spent and complexity of the medical services offered