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Title 42

Displaying title 42, up to date as of 8/10/2026. Title 42 was last amended 8/05/2026.
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Title 42Public HealthPart / Section
Chapter IVCenters for Medicare & Medicaid Services, Department of Health and Human Services400 – 699
Subchapter HHealth Care Infrastructure and Model Programs505 – 512
Part 512Standard Provisions for Mandatory Innovation Center Models and Specific Provisions for Certain Models512.100 – 512.780
Subpart BRadiation Oncology Model512.200 – 512.294
General512.200 – 512.205
§ 512.200Basis and scope of subpart.
§ 512.205Definitions.
RO Model Participation512.210 – 512.225
§ 512.210RO participants and geographic areas.
§ 512.215Beneficiary population.
§ 512.217Identification of individual practitioners.
§ 512.220RO participant compliance with RO Model requirements.
§ 512.225Beneficiary notification.
Scope of RO Episodes Being Tested512.230 – 512.245
§ 512.230Criteria for determining cancer types.
§ 512.235Included RT services.
§ 512.240Included modalities.
§ 512.245Included RO episodes.
Pricing Methodology512.250 – 512.255
§ 512.250Determination of national base rates.
§ 512.255Determination of participant-specific professional episode payment and participant-specific technical episode payment amounts.
Billing and Payment512.260 – 512.270
§ 512.260Billing.
§ 512.265Payment.
§ 512.270Treatment of add-on payments under existing Medicare payment systems.
Data Reporting512.275
§ 512.275Quality measures, clinical data, and reporting.
Medicare Program Waivers512.280
§ 512.280RO Model Medicare program waivers.
Reconciliation and Review Process512.285 – 512.294
§ 512.285Reconciliation process.
§ 512.290Timely error notice and reconsideration review process.
§ 512.292Overlap with other models tested under Section 1115A and CMS programs.
§ 512.294Extreme and uncontrollable circumstances.