- 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.
G:\HITECH\Webinars\Webinar Docs\Gcodes.docx Page 5. After you enter a charge for a HCPC that requires a G HCPC (Example: 97001 for PT Evaluation), you will also enter a non-billable charge for the required G HCPC. At Item after you select a G HCPC, the program will display the Select a Modifier screen.