Billing code 77763: Brachytherapy applicationMedicare rate & RVUs in Oregon
Report this service for complex placement of an intracavitary radiation source, such as during brachytherapy for a gynecologic malignancy.
Medicare pays $785.10–$847.05 for 77763 in the office in Oregon, from Rest Of Oregon to Portland. Which amount applies depends on the service address.
Medicare allowed amount for participating (non-QP) physicians, before deductible, coinsurance and claim adjustments. Not a patient’s bill or a hospital charge.
On this page 9 sections
What 77763 covers
This service covers complex placement of a radiation source within a body cavity for brachytherapy. A radiation oncologist typically performs the application, often in a hospital or other treatment setting. Gynecologic cancers involving sites such as the cervix or vagina are common clinical contexts for intracavitary treatment. The application is distinct from the subsequent delivery of radiation by a high-dose-rate remote afterloading system.
Choose this level when the documented application is complex rather than simple or intermediate; the record should support the treated site, the intracavitary approach, and the work involved in positioning the source or applicator. CMS assigns a 90-day global period, including the day-before preoperative visit and 90 days of related postoperative care. The service has professional and technical components: modifier 26 identifies interpretation, modifier TC identifies equipment and staff, and no modifier represents the global service. Modifier 50 is inappropriate for this service. An assistant is payable only when medical necessity is documented; co-surgeons and team surgery are not permitted.
This summary was written with AI assistance from CMS physician fee schedule data and checked against the CMS billing rules shown here. Rates on this page come directly from CMS files.
Where 77763 pays more and less in Oregon
| Payment locality | Office | Facility |
|---|---|---|
| Portland | $847.05 | Unavailable |
| Rest Of Oregon | $785.10 | Unavailable |
How the 77763 rate is calculated
Each of 77763’s three RVUs is multiplied by a geographic index (GPCI) for the payment locality, added up, and multiplied by the conversion factor. Drag the indexes or enter a ZIP to see what moves the rate.
How the rate is built · 77763
RVUs × geographic indexes × conversion factor
Swap in your local Medicare rate.
Work 8.44Practice expense 14.78Malpractice 0.49
All indexes start at 1.000 (the national rate). Enter a ZIP or drag a slider.
Payment rules and modifiers for 77763
77763 has a 90-day global period: related visits in that window are included in the surgery payment.
CMS payment indicators · 77763
Brachytherapy application
| Rule | CMS value | What it means |
|---|---|---|
| Global period | 090 | Major surgery: the day before, the day of, and 90 days after are included. |
| Multiple procedures | 0 | No multiple-procedure reduction. |
| Bilateral (modifier 50) | 0 | The 150% bilateral adjustment doesn’t apply. |
| Assistant at surgery (80/81/82/AS) | 0 | Not paid without supporting documentation. |
| Co-surgeons (62) | 0 | Not permitted. |
| Team surgery (66) | 0 | Not permitted. |
| Professional/technical | 1 | Diagnostic test with separate professional (26) and technical (TC) components. |
| Split (54/55/56) | 0.00/0.00/0.00 | Share of the payment for pre-op, the procedure itself, and post-op care. |
Global surgery period · 77763
Brachytherapy application
90-day global period ends
Dec 30, 2026
Covers Sep 30, 2026 through Dec 30, 2026 (92 days, including the day before surgery).
Visit on Oct 31, 2026
Day 30 of the 90-day post-op period: related follow-up care is included in the surgical payment.
Pre-op dayGlobal period
What modifiers do to the payment
Modifier 26 · payment effect
With and without the modifier
77763 without 26 · national office
$791.94
Brachytherapy application
77763-26 · Professional component
$453.92
Pays only the interpretation and report.
77763 compared with similar codes
Compare codes
77763 vs 77761 vs 77762 vs 77778 vs 77770: national Medicare rates
Swap in your local Medicare rate.
How to choose
- 77761Intracavitary brachytherapy
- Use 77761 for a simple intracavitary application. This code is for an application documented as complex.
- 77762Intracavitary radiation
- Use 77762 for an intermediate intracavitary application; this code represents the complex level.
- 77778Interstitial brachytherapy
- 77778 describes complex interstitial source application, in which sources are placed within tissue; this code concerns intracavitary application.
- 77770HDR brachytherapy
- 77770 describes high-dose-rate remote afterloading treatment. This code represents complex intracavitary source application rather than that treatment service.
77763 billing questions
How is complex application distinguished from 77761 or 77762?
These codes distinguish simple, intermediate, and complex intracavitary applications. The procedure documentation should support the level selected; do not choose by diagnosis alone.
Is this code for radiation delivery or source placement?
It represents complex intracavitary source application. Codes 77770–77772 describe high-dose-rate remote afterloading treatment, so select based on the service performed.
Which modifiers identify the components?
Modifier 26 identifies the professional interpretation component, and modifier TC identifies the technical component, including equipment and staff. Reporting without either modifier represents the global service.
What postoperative care is included?
The 90-day global period includes the day-before preoperative visit and 90 days of related postoperative care.
Can an assistant or another surgeon be reported?
Assistant-at-surgery payment requires documentation of medical necessity. Co-surgeons and team surgery are not permitted for this service.
Where these rates come from
FeeBase calculates base physician payments from CMS work, practice-expense and malpractice RVUs, adjusted by each locality’s geographic indexes and the conversion factor. Services without a published rate are labeled, never given a made-up amount. Amounts are Medicare allowed amounts before claim adjustments: not a patient’s bill or a commercial rate.
CMS RVU26D · effective Oct 1, 2026 through the day before Jan 1, 2027
Show the CMS file lines behind this rate
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