77333 Radiation treatment aid(s)
Also known as: Moderate treatment aid, Custom positioning device
Radiation treatment aid or use of treatment device with moderate complexity.
In Plain Language
Custom device or positioning for radiation therapy
Clinical Context
Custom-designed immobilization or positioning device for radiation therapy with moderate technical complexity.
RVU Breakdown
| Work RVU | 0.73 |
| Total RVU | 0.73 |
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 0.73, this code ranks in the 46th percentile among Radiology codes — 1.1x below the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 77333?
CPT 77333 (Radiation treatment aid(s)) is a Radiology code. Radiation treatment aid or use of treatment device with moderate complexity.
Who uses CPT code 77333?
CPT 77333 is used by Radiation Oncology, Radiology. Custom-designed immobilization or positioning device for radiation therapy with moderate technical complexity.
When is CPT 77333 used?
Custom-designed immobilization or positioning device for radiation therapy with moderate technical complexity.
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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.