In library catalogs, for book and media, use a LCSH heading or try with subheading "legislation & jurisprudence" and a subject. For example, search Library Search with these (LCSH) subjects and narrow with filters.
Medical records — Law and legislation — United States
Patient Rights — legislation & jurisprudence
Medical Informatics — legislation & jurisprudence
Health Information Management — legislation & jurisprudence United States
Health Insurance Portability and Accountability Act of 1996 (United States)