Regulation check

ADMINISTRATION OF UNITED STATES PUBLIC HEALTH SERVICE (USPHS) OFFICERS DETAILED TO THE COAST GUARD reads like a Personnel & Career, Medical & Readiness Standards question — these are the publications that govern it in each branch:

PublicationBranchTitleDateStatus
COMDTINST 6010.5BCoast GuardADMINISTRATION OF UNITED STATES PUBLIC HEALTH SERVICE (USPHS) OFFICERS DETAILED TO THE COAST GUARD2019-08-05Not in the current catalog
Looking for an actual answer, not just the pub? Ask it as a question — free, and it quotes the regulation text where indexed.
Numbers match loosely — “ar670”, “AR 670-1”, and “670-1” all find the same pub. Every result shows its live status from the official catalog.