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Title 42

Displaying title 42, up to date as of 7/30/2026. Title 42 was last amended 7/20/2026.
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Title 42Public HealthPart / Section
Chapter IPublic Health Service, Department of Health and Human Services2 – 199
Subchapter AGeneral Provisions2 – 12
Subchapter BPersonnel21 – 24
Part 21Commissioned Officers21.1 – 21.75
Part 22Personnel Other Than Commissioned Officers22.3 – 22.5
Part 23National Health Service Corps23.1 – 23.13
Part 24Senior Biomedical Research and Biomedical Product Assessment Service24.1 – 24.9
Subchapter CMedical Care and Examinations31 – 38
Subchapter DGrants50 – 59a
Subchapter EFellowships, Internships, Training61 – 68b
Subchapter FQuarantine, Inspection, Licensing70 – 75
Subchapter GOccupational Safety and Health Research and Related Activities80 – 88
Subchapter HHealth Assessments and Health Effects Studies of Hazardous Substances Releases and Facilities90 – 93
Part 90Administrative Functions, Practices, and Procedures90.1 – 90.14
Part 93Public Health Service Policies on Research Misconduct93.25 – 93.511
Subchapter I [Reserved]
Subchapter JVaccines100 – 110
Part 100Vaccine Injury Compensation100.1 – 100.3
Part 110Countermeasures Injury Compensation Program110.1 – 110.100
Subchapter KHealth Resources Development121 – 129
Part 121Organ Procurement and Transplantation Network121.1 – 121.14
Part 124Medical Facility Construction and Modernization124.1 – 124.709
Parts 125-129 [Reserved]
Subchapter LCompassionate Payments131
Parts 131-135 [Reserved]
Subchapter MIndian Health Service, Department of Health and Human Services136 – 199