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Title 42

Displaying title 42, up to date as of 7/16/2026. Title 42 was last amended 7/01/2026.
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Title 42Public HealthPart / Section
Chapter IVCenters for Medicare & Medicaid Services, Department of Health and Human Services400 – 699
Subchapter BMedicare Program405 – 429
Part 405Federal Health Insurance for the Aged and Disabled405.201 – 405.2472
Subpart A [Reserved]
Subpart BMedical Services Coverage Decisions That Relate to Health Care Technology405.201 – 405.215
Subpart CSuspension of Payment, Recovery of Overpayments, and Repayment of Scholarships and Loans405.301 – 405.380
Subpart DPrivate Contracts405.400 – 405.455
Subpart ECriteria for Determining Reasonable Charges405.500 – 405.535
Subparts F- G [Reserved]
Subpart HAppeals Under the Medicare Part B Program405.800 – 405.818
§ 405.800Appeals of CMS or a CMS contractor.
§ 405.803Appeals rights.
§ 405.806Impact of reversal of contractor determinations on claims processing.
§ 405.809Reinstatement of provider or supplier billing privileges following corrective action.
§ 405.812Effective date for DMEPOS supplier's billing privileges.
§ 405.815Submission of claims.
§ 405.818Deadline for processing provider enrollment initial determinations.
Subpart IDeterminations, Redeterminations, Reconsiderations, and Appeals Under Original Medicare (Part A and Part B)405.900 – 405.1140
Subpart JProcedures and Beneficiary Rights for Expedited Determinations and Reconsiderations When Coverage is Changed or Terminated405.1200 – 405.1212
Subparts K-Q [Reserved]
Subpart RProvider Reimbursement Determinations and Appeals405.1801 – 405.1889
Subparts S-T [Reserved]
Subpart UConditions for Coverage of Suppliers of End-Stage Renal Disease (ESRD) Services405.2100 – 405.2184
Subparts V-W [Reserved]
Subpart XRural Health Clinic and Federally Qualified Health Center Services405.2400 – 405.2472