All the following are considered Essential Health Benefits under the ACA, EXCEPT:

Detailed Answer in Step-by-Step Solution:

The Affordable Care Act (ACA) mandates 10 Essential Health Benefits, including hospitalization (A), laboratory services (B), and preventive care (D), but adult dental services (C) are not included (pediatric dental care is, however).

Adult dental is often an optional or separate coverage, not a required benefit.

The Virginia study guide, aligned with ACA regulations, lists the 10 Essential Health Benefits, excluding adult dental services while including pediatric dental and vision as distinct categories. Reference: Virginia Life, Annuities, and Health Insurance study guide, section on "Affordable Care Act."