If you have a pre-existing condition - diabetes, asthma, cancer history, heart disease, or anything else - you might worry that you can't get insurance or that it will be unaffordable. Here's the reality in 2026.
ACA Marketplace: Full Protection
Under the Affordable Care Act, marketplace plans cannot deny you coverage or charge you more based on pre-existing conditions. All marketplace plans must cover treatment for pre-existing conditions with no waiting periods. This is the law.
Medicare: Also Protected
Medicare Parts A and B cover pre-existing conditions without exclusions. However, Medicare Supplement (Medigap) plans can use health underwriting outside your Medigap Open Enrollment Period - meaning they can deny coverage or charge more based on your health.
Life Insurance: More Complicated
Life insurance companies can (and do) use health conditions to set premiums or decline coverage. However, many conditions are insurable - the key is working with an agent who knows which carriers are most favorable for your specific condition. Explore life insurance options.
Short-Term Plans: No Protection
Short-term medical plans are NOT required to cover pre-existing conditions. They can exclude them entirely. This is one of the biggest drawbacks of short-term coverage.
Supplemental Insurance: Varies
Some supplemental products (hospital indemnity, accident) are guaranteed-issue with no health questions. Others (critical illness, cancer) may ask health questions and can decline coverage.