77338 Design mlc device for imrt
Also known as: MLC design, IMRT leaf design
Design of multileaf collimator device for intensity-modulated radiation therapy.
In Plain Language
Planning the leaf positions for advanced radiation therapy
Clinical Context
Detailed design and sequencing of multileaf collimator positions for intensity-modulated radiation therapy delivery.
RVU Breakdown
| Work RVU | 4.18 |
| Total RVU | 4.18 |
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 4.18, this code ranks in the 98th percentile among Radiology codes — 5.2x the median (0.81). The highest wRVU in this category is 11.57.
Specialties
Frequently Asked Questions
What is CPT code 77338?
CPT 77338 (Design mlc device for imrt) is a Radiology code. Design of multileaf collimator device for intensity-modulated radiation therapy.
Who uses CPT code 77338?
CPT 77338 is used by Radiation Oncology, Radiology. Detailed design and sequencing of multileaf collimator positions for intensity-modulated radiation therapy delivery.
When is CPT 77338 used?
Detailed design and sequencing of multileaf collimator positions for intensity-modulated radiation therapy delivery.
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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.