Public Health Service, Department of Health and Human Services
PHS
Part of Department of Health and Human Services
Content Hash:
2700bc75c8e1282846b4c24f8aee4026
MD5 checksum of all regulatory content as of Oct 15, 2025
Regulatory Word Count Over Time
Total words across all chapters managed by this agency
Earliest:
414,340 words
(Jan 01, 2017)
Latest:
4,334,676 words
(Oct 15, 2025)
Change:
+3,920,336
(946.2%)
CFR Chapters
Title 42, Chapter I
CHAPTER I - PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES