---
kind: "unit"
title: "42"
title_heading: "Public Health"
key: "chI/subchA"
level: "subchap"
label: "Subchapter A"
heading: "General Provisions"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/42/chI-subchA"
sections_count: 196
---

# Subchapter A — General Provisions

Title 42 C.F.R. — Public Health › Chapter I — Public Health Service, Department of Health and Human Services

## Contents

- [Part 2 — Confidentiality of Substance Use Disorder Patient Records](/cfr/42/chI-subchA-part2.md)
- [Part 2a — Protection of Identity—research Subjects](/cfr/42/chI-subchA-part2a.md)
- [Part 3 — Patient Safety Organizations and Patient Safety Work Product](/cfr/42/chI-subchA-part3.md)
- [Part 4 — National Library of Medicine](/cfr/42/chI-subchA-part4.md)
- [Part 5 — Designation of Health Professional(s) Shortage Areas](/cfr/42/chI-subchA-part5.md)
- [Part 6 — Federal Tort Claims Act Coverage of Certain Grantees and Individuals](/cfr/42/chI-subchA-part6.md)
- [Part 7 — Distribution of Reference Biological Standards and Biological Preparations](/cfr/42/chI-subchA-part7.md)
- [Part 8 — Medications for the Treatment of Opioid Use Disorder](/cfr/42/chI-subchA-part8.md)
- [Part 9 — Standards of Care for Chimpanzees Held in the Federally Supported Sanctuary System](/cfr/42/chI-subchA-part9.md)
- [Part 10 — 340b Drug Pricing Program](/cfr/42/chI-subchA-part10.md)
- [Part 11 — Clinical Trials Registration and Results Information Submission](/cfr/42/chI-subchA-part11.md)
- [Part 12 — Telemedicine Flexibilities](/cfr/42/chI-subchA-part12.md)