---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "chIV"
level: "chapter"
label: "Chapter IV"
heading: "Centers for Medicare & Medicaid Services, Department of Health and Human Services"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/chIV"
sections_count: 5128
---

# Chapter IV — Centers for Medicare & Medicaid Services, Department of Health and Human Services

Title 42 C.F.R. — Public Health

## Contents

- [Subchapter A — General Provisions](/cfr/42/chIV-subchA.md)
- [Subchapter B — Medicare Program](/cfr/42/chIV-subchB.md)
- [Subchapter C — Medical Assistance Programs](/cfr/42/chIV-subchC.md)
- [Subchapter D — STATE CHILDREN'S HEALTH INSURANCE PROGRAMS (SCHIPs)](/cfr/42/chIV-subchD.md)
- [Subchapter E — Programs of All-Inclusive Care for the Elderly (pace)](/cfr/42/chIV-subchE.md)
- [Subchapter F — Quality Improvement Organizations](/cfr/42/chIV-subchF.md)
- [Subchapter G — Standards and Certification](/cfr/42/chIV-subchG.md)
- [Subchapter H — Health Care Infrastructure and Model Programs](/cfr/42/chIV-subchH.md)
- [Subchapter I — Basic Health Program](/cfr/42/chIV-subchI.md)