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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 IPublic Health Service, Department of Health and Human Services2 – 199
Subchapter AGeneral Provisions2 – 12
Part 2Confidentiality of Substance Use Disorder Patient Records2.1 – 2.68
Part 2aProtection of Identity—Research Subjects2a.1 – 2a.8
Part 3Patient Safety Organizations and Patient Safety Work Product3.10 – 3.552
Subpart AGeneral Provisions3.10 – 3.20
Subpart BPSO Requirements and Agency Procedures3.102 – 3.112
Subpart CConfidentiality and Privilege Protections of Patient Safety Work Product3.204 – 3.212
Subpart DEnforcement Program3.304 – 3.552
Part 4National Library of Medicine4.1 – 4.8
Part 5Designation of Health Professional(s) Shortage Areas5.1 – 5.4
Part 6Federal Tort Claims Act Coverage of Certain Grantees and Individuals6.1 – 6.6
Part 7Distribution of Reference Biological Standards and Biological Preparations7.1 – 7.6
Part 8Medications for the Treatment of Opioid Use Disorder8.1 – 8.34
Part 9Standards of Care for Chimpanzees Held in the Federally Supported Sanctuary System9.1 – 9.13
Part 10340B Drug Pricing Program10.1 – 10.25
Subpart AGeneral Provisions10.1 – 10.3
Subpart B340B Ceiling Price10.10 – 10.11
Subpart CAdministrative Dispute Resolution10.20 – 10.25
Part 11Clinical Trials Registration and Results Information Submission11.2 – 11.66
Part 12Telemedicine Flexibilities12.1 – 12.4
Subpart ASpecial Exceptions Related to Telemedicine12.1 – 12.2
Subpart BTelemedicine Prescribing12.3 – 12.4