A Special Enrollment Period (SEP) lets you enrol in a Marketplace plan outside open enrolment, usually within 60 days of a qualifying life event: losing health coverage (including Medicaid or a job plan), moving to a new area, getting married, having or adopting a child, gaining citizenship or lawful presence, or leaving incarceration. Some events let you apply up to 60 days in advance. You may need to show proof.
How it works
The short version, before the detail.
Marketplace plans normally can only be bought during open enrolment each autumn. The Special Enrollment Period system exists because life does not follow that calendar. If something significant changes, you get a window - generally 60 days - to enrol in a new plan or change plans.
The most common qualifying event is losing other coverage: being laid off or quitting a job with health insurance, losing Medicaid or CHIP, ageing off a parent's plan at 26, the end of COBRA, or losing coverage through divorce or a death in the family. Voluntarily dropping coverage or losing it because you did not pay premiums generally does not qualify.
Household changes qualify too: marriage, having a baby, adopting or fostering a child, and in some cases divorce or death. Moving to a new ZIP code or county qualifies if you had coverage before the move or are moving from abroad or a US territory. Gaining citizenship or lawful presence, leaving incarceration, and certain income changes that make you newly eligible for subsidies also qualify.
For several events - losing coverage and moving among them - you can report the event and choose a plan up to 60 days before it happens, so there is no gap. For others, coverage usually begins the first day of the month after you pick a plan, and for a birth or adoption, coverage can be backdated to the date of the event.
Medicaid and CHIP sit outside all of this. Because they are open year-round, anyone whose income falls within the limits can apply at any time without needing a qualifying event. When you apply through the Marketplace, it checks you for these programmes automatically.
Who usually qualifies
Factors the agency looks at. Only they make the final decision.
If you are not sure whether your situation counts, start an application on HealthCare.gov - the questions will tell you whether you qualify for an SEP.
How to apply, step by step
Confirm your event and its date
Write down exactly what happened and when - the date your coverage ended, the date you moved, the date of the marriage or birth. The 60-day clock runs from that date.
Apply on HealthCare.gov or your state marketplace
Start or update an application and report the life event. The system tells you whether you qualify and your deadline.
Check Medicaid and CHIP at the same time
Your application is screened for these too. If your income dropped with the job loss, you may qualify for Medicaid instead.
Compare and choose a plan within the window
Look at premiums after tax credits, deductibles, networks and drug coverage. Choose before the deadline - you must pick a plan, not just report the event.
Upload proof if asked
You may be asked for documents such as a letter from your former employer, a Medicaid termination notice, a lease showing your new address, or a marriage or birth certificate. Send it promptly or the SEP may be revoked.
Pay the first premium
Coverage starts only after payment.
Note your start date
For most events coverage starts the first of the next month; births and adoptions can be backdated.
What to have ready
Missing one item is rarely a reason to wait - start now.
- Proof of the event - termination letter, Medicaid notice, COBRA end notice, marriage or birth certificate, lease or utility bill at new address
- Proof of prior coverage, if required for a move
- Expected household income for the year
- Social Security numbers or immigration documents
- Details of any job-based coverage offered
What happens after you apply
How it compares
Similar programmes, and which one fits which need.
| Programme | What it covers | Best for |
|---|---|---|
| Special Enrollment Period | Marketplace enrolment after a life event | Losing coverage, moving, marriage, birth |
| Open enrolment | Annual enrolment window | Anyone, each autumn |
| Medicaid | Free or very low-cost full health coverage | Low-income adults, children, pregnancy, disability |
| COBRA | Continue old job plan, usually at full cost | Keeping the same doctors short-term |
Real situations
How this plays out for people in common circumstances.
Laid off in June
A warehouse worker loses his job and employer insurance at the end of June.
He has 60 days from the coverage end date. He applies in July, finds his lower income qualifies him for a large tax credit, and chooses a Silver plan starting 1 August.
Turning 26
A young woman turns 26 and will lose coverage on her parent's plan.
She applies up to 60 days before her coverage ends so her new plan starts with no gap.
New baby
A couple with a Marketplace plan has a baby in March.
They report the birth and add the baby; coverage is backdated to the birth date.
Lost Medicaid at renewal
A mother's Medicaid ends because her income rose.
Losing Medicaid is a qualifying event. She applies within 60 days and qualifies for subsidised Marketplace coverage.
What people miss
True, rarely explained, and it changes the outcome.
You can apply before some events
For losing coverage or moving, apply up to 60 days ahead to avoid a gap.
Births and adoptions backdate
Coverage can start on the day of the birth or adoption.
Losing Medicaid counts
This is one of the commonest SEPs.
Choosing COBRA does not always close the door
In many cases you can still switch to the Marketplace during the original 60-day window.
Medicaid never needs an SEP
If your income qualifies you, apply any day.
Common reasons people get stuck
Waiting past 60 days
The window is strict. Apply as soon as you can.
Reporting the event but not choosing a plan
You must select a plan to be enrolled.
Not sending proof
Your enrolment can be cancelled if verification is not provided.
Dropping coverage voluntarily
That usually does not create an SEP.
Assuming a move always qualifies
You generally need prior coverage, with some exceptions.
How it differs by state
State-run marketplaces may have additional SEPs or different deadlines, and some offer longer windows. Medicaid rules for immediate enrolment also vary. Check your state marketplace if you are not on HealthCare.gov.
Key terms explained
The words on forms and letters, in plain English.
- Special Enrollment Period (SEP)
- A window, usually 60 days, to enrol outside open enrolment after a life event.
- Qualifying life event
- A change such as losing coverage, moving, marriage or a birth that triggers an SEP.
- Open enrolment
- The yearly period when anyone can buy a Marketplace plan.
- COBRA
- Continuing a former employer's plan, usually at full cost.
- Coverage start date
- When your new plan begins, usually the first of the month after you choose it.
Questions people ask
Can I get health insurance after open enrolment?
What counts as a qualifying life event?
How long do I have to enrol after losing coverage?
Does quitting my job count as a qualifying event?
Is losing Medicaid a qualifying event?
Can I get insurance if I am pregnant but missed open enrolment?
What proof do I need for a Special Enrollment Period?
When does coverage start with a Special Enrollment Period?
Can I switch plans during a Special Enrollment Period?
Does moving qualify me for a Special Enrollment Period?
Can I enrol if I lose COBRA?
What if I miss the 60-day window?
Is turning 26 a qualifying event?
Numbers to call
Free lines. We are not affiliated with any of them.
Official sources
Current figures and applications live here.