Medicare Part B usually covers emergency department services for a sudden injury or illness. If you think you are experiencing a medical emergency, call 911 or seek emergency care; do not delay care to resolve insurance questions.
Expect more than one type of charge
| Service | Original Medicare cost rule |
|---|---|
| Emergency department visit | A copayment for the visit. |
| Hospital services during the visit | Separate hospital-service copayments may apply. |
| Doctor’s services | Generally 20% of the approved amount after the Part B deductible. |
| Related inpatient admission to the same hospital within three days | The emergency visit is treated as part of that inpatient stay, so the applicable emergency copayments are not charged separately. |
The inpatient rule does not make the hospital stay free. Part A and separate professional-service costs may still apply. The 2026 Part B deductible is $283.
Observation is different from admission
A stay in a hospital bed, even overnight, can be outpatient observation. Ask the hospital to explain your status and any written notice. Formal inpatient admission determines whether the inpatient billing rules apply.
An ambulance has its own coverage rules. Coverage for the emergency visit does not automatically approve every transport service or a later non-emergency trip.
Medicare Advantage and supplemental coverage
Medicare Advantage covers emergency services, including when a provider is outside the plan’s network, under applicable emergency protections. Your plan’s emergency copayment and rules for care after stabilization may differ from Original Medicare. Use the Evidence of Coverage and member services for the exact amounts.
Medigap can help with specified Original Medicare cost sharing according to its plan letter. It cannot pay Medicare Advantage cost sharing. Foreign emergency care is a separate issue: Original Medicare covers care outside the United States only in limited situations, while some private plans have additional benefits.
After the immediate emergency
- Keep discharge papers and identify hospital and physician bills separately.
- Confirm whether you were admitted or received observation care.
- Compare each bill with the Medicare or plan claim notice.
- Ask the billing office about errors or duplicate emergency copayments after a qualifying admission.
- Follow appeal instructions if a coverage decision appears wrong.
Related coverage questions
- Medicare Inpatient Hospital Coverage: Status, Benefits and 2026 Costs
- Medicare Ambulance Coverage: Emergency and Scheduled Transportation
- Medicare Surgery Coverage: Inpatient, Outpatient and Your Costs