The Affordable Care Act requires non-grandfathered health insurance coverage in the individual and small group markets to cover essential health benefits (EHB), which include items and services in at least the following ten benefit categories: (1) ambulatory patient services; (2) emergency services; (3) hospitalization; (4) maternity and newborn care; (5) mental health and substance use disorder services including behavioral health treatment; (6) prescription drugs; (7) rehabilitative and hab...