42 CFR § 512.240 - Included modalities.

---
identifier: "/us/cfr/t42/s512.240"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "42 CFR § 512.240 - Included modalities."
title_number: 42
title_name: "Public Health"
section_number: "512.240"
section_name: "Included modalities."
chapter_name: "CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "HEALTH CARE INFRASTRUCTURE AND MODEL PROGRAMS"
part_number: "512"
part_name: "STANDARD PROVISIONS FOR MANDATORY INNOVATION CENTER MODELS AND SPECIFIC PROVISIONS FOR CERTAIN MODELS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 1302, 1315a, and 1395hh."
regulatory_source: "85 FR 61362, Sept. 29, 2020, unless otherwise noted."
cfr_part: "512"
---


# 512.240 Included modalities.

The modalities included in the RO Model are 3-dimensional conformal RT (3DCRT), intensity-modulated RT (IMRT), stereotactic radiosurgery (SRS), stereotactic body RT (SBRT), proton beam therapy (PBT), and image-guided radiation therapy (IGRT).

[86 FR 63996, Nov. 16, 2021]