Updated September 2026 · Reviewed by the CoverageCo team
Short-term health plans are temporary policies that cost less because they aren't ACA-compliant, they can decline you for health history, exclude pre-existing conditions, and cap what they pay. They can bridge a known short gap for someone healthy. They are not a substitute for comprehensive coverage.
Key takeaways
- Not ACA-compliant, so the consumer protections you may assume don't apply.
- Pre-existing conditions are generally excluded, and you can be declined outright.
- Coverage caps mean a serious claim can exhaust the policy.
- Reasonable for a known short gap; genuinely risky as a long-term substitute.
What you're actually buying
Short-term plans exist outside the ACA framework. That's the whole reason they're cheaper, and it's also everything you need to know about the trade.
Because they aren't required to meet ACA standards, insurers can medically underwrite you, refuse coverage, exclude conditions you already have, and set annual or lifetime caps on what they'll pay.
| Marketplace plan | Short-term plan | |
|---|---|---|
| Pre-existing conditions | Covered, can't be excluded | Generally excluded |
| Can you be declined? | No | Yes, based on health history |
| Essential health benefits | All required | Not required; often excludes maternity, mental health, prescriptions |
| Coverage caps | Not permitted | Common |
| Premium tax credits | May qualify | Never |
When it's a defensible choice
There's a narrow, legitimate case: you're healthy, you have a gap with a known end date, starting a job in six weeks, waiting for Open Enrollment, and you want protection against a catastrophic accident in the meantime.
For that person, at that moment, it's a reasonable purchase. It's cheap, it's fast, and the exclusions are unlikely to bite in a short window.
When it causes real harm
The damage happens when someone treats a short-term plan as their actual coverage because it's what they can afford.
The exclusions bite exactly when you need coverage most. A condition you already have, the one most likely to generate claims, is precisely what won't be covered. A serious diagnosis can hit a coverage cap and leave you paying the remainder. And a claim can trigger a review of your application, with coverage rescinded if anything was omitted.
Before buying one as a substitute, check two things first: whether a qualifying life event opens a Special Enrollment Period, and whether you'd qualify for Medicaid, which accepts applications year-round. People buy short-term plans while eligible for better options more often than you'd expect.
If you do buy one
Read the exclusions before the price. Specifically: what counts as pre-existing and how far back they look, whether prescriptions are covered, whether there's a per-condition or overall cap, and what happens if you need to extend.
Clear answers are a good sign. Vague ones are a reason to keep looking.
Common questions
Does short-term insurance cover pre-existing conditions?
Generally no. Short-term plans aren't ACA-compliant and typically exclude conditions you already have, which is a primary reason they cost less.
Is short-term health insurance ACA-compliant?
No. It isn't required to cover essential health benefits, can decline applicants based on health history, and may impose coverage caps that ACA plans cannot.
Can I get a subsidy for a short-term plan?
No. Premium tax credits only apply to Marketplace plans.
How long can a short-term plan last?
Duration limits are set by federal rules and vary by state, with some states restricting or prohibiting them entirely. Check the rules where you live before assuming a plan can be extended.