hospital referral region (HRR)

Geographic regions used by the Dartmouth Atlas of Health Care to define regional health care markets. These regions are defined by where patients in surrounding areas are most often referred to for tertiary care. Each HRR contains at least one hospital that performs major cardiovascular procedures and neurosurgery. HRRs can cross state lines.

Hyde Amendment

A federal law first enacted in 1980, and attached to appropriations bills every year since, that prohibits the use of federal Medicaid funds for abortion, except for reasons of life endangerment, rape or incest.