Insurance Guide

What Does Health Insurance Actually Cover?

The 10 Essential Benefits Every ACA Plan Includes — And What's NOT Covered

6 min read · Reviewed by Licensed Insurance Experts · Updated 2026-04-26

Under the Affordable Care Act, every health insurance plan sold on the marketplace must cover 10 essential health benefits. Understanding what's covered (and what isn't) is the difference between a smart plan choice and an expensive surprise.

The 10 Essential Health Benefits (ACA-Required)

  1. Ambulatory patient services — outpatient care: doctor visits, urgent care, surgery centers
  2. Emergency services — ER visits, ambulance (cannot require referral or pre-authorization)
  3. Hospitalization — inpatient stays, surgery, anesthesia
  4. Maternity & newborn care — prenatal, delivery, postpartum, newborn baby's first month
  5. Mental health & substance use disorder services — therapy, counseling, addiction treatment, inpatient psychiatric care
  6. Prescription drugs — at least one drug from each major therapeutic category
  7. Rehabilitative & habilitative services & devices — physical therapy, occupational therapy, speech therapy
  8. Laboratory services — blood work, biopsies, diagnostic testing
  9. Preventive & wellness services — annual checkups, vaccines, screenings — 100% free, no deductible
  10. Pediatric services — including dental and vision care for kids

Free Preventive Services (No Deductible)

This is the best feature of ACA plans. The following are 100% free — even before you've paid a penny toward your deductible:

What's NOT Covered (Even on the Best Plans)

How to Find Out Exactly What YOUR Plan Covers

Three documents to read:

  1. Summary of Benefits and Coverage (SBC): Standardized 4-page document. Every plan has one. Lists copays and coverage.
  2. Drug Formulary: The full list of covered prescription drugs and their tier (cost level). Always check before enrolling if you take regular medications.
  3. Provider Directory: The list of in-network doctors and hospitals. Check that YOUR doctors are in-network.

Network Tiers Explained

Important: "Covered" ≠ "Free"

"Covered" means the service counts toward your deductible and out-of-pocket max. You may still pay a copay or coinsurance. The only services that are truly free regardless of deductible are the preventive services listed above.

Have specific medical needs? Our licensed agents will check that YOUR doctors and prescriptions are covered before you enroll. Get a custom plan match →

JJ
Reviewed By
Jordan Johnson, Licensed Insurance Agent
Licensed in 50 states · 8+ years specializing in ACA marketplace, Medicare, and individual health insurance
All TrustedQuotes content is reviewed by licensed insurance professionals. We cite primary sources (HealthCare.gov, CMS, IRS) and update articles as regulations change. Have feedback? Learn more about our editorial process →

Get Your Free Quote Now

Compare 200+ top carriers in 60 seconds. Free, no obligation, real answers from a licensed expert.

Get My Free Quote →