Is emergency room covered by insurance?
Emergency department care for serious injuries or symptoms. Here’s how each kind of plan usually handles it.
- Employer or MarketplaceUsually covered
Yes, emergency care is covered, even out of network, at in-network cost sharing.
More details
Plans must cover emergency services without prior approval based on your symptoms (the “prudent layperson” standard). ER copays are often waived if you’re admitted.
Cost: Often a $100–$500 ER copay or deductible plus coinsurance; physicians and imaging can add separate charges.
- Original MedicareUsually covered
Yes, Part B covers emergency department services.
More details
You pay a copayment for the hospital visit plus 20% of doctor services after the . If admitted as an inpatient, applies.
Cost: A facility copay plus 20% of the doctor’s services after the Part B deductible.
- Medicare AdvantageUsually covered
Yes, at any ER in the U.S., in or out of network, with no prior authorization.
More details
plans must cover emergency care anywhere in the country at cost sharing, and can’t require prior approval. The ER copay is capped by Medicare and is usually waived if you’re admitted.
Cost: Your plan’s ER copay, which Medicare limits; usually waived if you’re admitted.
- MedicaidUsually covered
Yes, Medicaid covers emergency care.
More details
States can charge only a small for non-emergency use of the ER.
What usually has to be true
- What counts is your symptoms: if a reasonable person would think it’s an emergency, it’s covered as one, whatever the final diagnosis.
- Admission or observation status affects your cost.
Good to know
- You can’t be balance-billed for most out-of-network emergency care.
- Ground ambulance bills are not protected by the federal No Surprises Act.
Related
- Ambulance · Emergency ground or air ambulance transport.
- Urgent care · Walk-in care for problems that need same-day attention but aren’t emergencies.
- Hospital stay · Inpatient admission to a hospital.
Sources
Typical rules for 2026 plans, checked against these sources on October 20, 2026. Your plan’s own documents decide.
- 1Getting emergency care
HealthCare.gov
Plans cannot require prior approval for emergency services or charge higher cost sharing for out-of-network emergency room services.
- 2Know your rights when using insurance
Centers for Medicare & Medicaid Services
Federal law limits many surprise out-of-network bills for emergency care and certain services at in-network facilities, with exceptions.
- 3Emergency department services
Medicare.gov
Part B covers emergency department services for an injury, sudden illness, or illness that quickly gets worse; you pay a copayment per visit plus 20% of doctor services after the deductible.
- 4Compare Original Medicare and Medicare Advantage
Medicare.gov
Medicare Advantage plans cover everything Original Medicare covers (except hospice, which Original Medicare continues to pay), usually use provider networks, often require referrals or prior authorization, and may offer extra benefits such as dental, vision, and hearing.
- 5Mandatory and optional Medicaid benefits
Medicaid.gov
States must cover mandatory benefits such as inpatient and outpatient hospital care, physician services, laboratory and X-ray services, home health, and nursing facility care; many other benefits, including adult dental, vision, and prescription drugs coverage details, are state options.
General information about how coverage usually works, not a decision about your plan. Your plan documents and insurer have the final word.