PART 421—MEDICARE CONTRACTING
- Subpart A—Scope, Definitions, and General Provisions (§§ 421.1 - 421.5)
- Subpart B—Intermediaries (§§ 421.100 - 421.128)
- Subpart C—Carriers (§§ 421.200 - 421.214)
- Subpart D—Medicare Integrity Program Contractors (§§ 421.300 - 421.316)
- Subpart E—Medicare Administrative Contractors (MACs) (§§ 421.400 - 421.404)
- Subpart F [Reserved]