77771 Hdr rdncl ntrstl/icav brchtx
Also known as: HDR interstitial intermediate, HDR intracavitary intermediate
High-dose-rate remote afterloading interstitial or intracavitary brachytherapy, intermediate complexity.
In Plain Language
High-dose radiation placed inside tissue or cavity for moderate complexity cases
Clinical Context
Intermediate complexity high-dose-rate brachytherapy with multiple applicators or modest dose optimization.
RVU Breakdown
| Work RVU | 3.71 |
| Total RVU | 3.71 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
Radiology codes require a written order, clinical indication, and a formal interpretation report. The professional component (modifier -26) and technical component (modifier -TC) may be billed separately.
How This Code Compares
With a work RVU of 3.71, this code ranks in the 98th percentile among Radiology codes — 4.6x the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 77771?
CPT 77771 (Hdr rdncl ntrstl/icav brchtx) is a Radiology code. High-dose-rate remote afterloading interstitial or intracavitary brachytherapy, intermediate complexity.
Who uses CPT code 77771?
CPT 77771 is used by Radiation Oncology. Intermediate complexity high-dose-rate brachytherapy with multiple applicators or modest dose optimization.
When is CPT 77771 used?
Intermediate complexity high-dose-rate brachytherapy with multiple applicators or modest dose optimization.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.