- Affordability test
- Rule that job coverage is affordable if employee-only premiums are under a set share of income. 2027.
- Benchmark plan
- The second-lowest-cost silver plan in your area; the tax credit is based on its price.
- Catch-up contribution
- Extra $1,000 HSA contribution allowed from age 55.
- COBRA
- Federal law letting you keep job-based coverage after leaving, at up to 102% of cost. COBRA FAQ.
- Coinsurance
- Your percentage share of costs after the deductible, such as 20%.
- Copay
- A fixed amount for a service, such as $30 per visit.
- Cost-sharing reductions
- Extra savings on deductibles and copays for silver marketplace plans at lower incomes.
- Deductible
- What you pay for covered care each year before the plan starts sharing costs.
- FPL
- Federal poverty level, set yearly by HHS. Table.
- FSA
- Flexible spending account through an employer; mostly use-it-or-lose-it. HSA vs FSA.
- HDHP
- High-deductible health plan that meets IRS rules so you can contribute to an HSA. 2027 limits.
- HRA
- Health reimbursement arrangement funded only by the employer.
- HSA
- Health savings account: tax-free money for medical costs that rolls over and can be invested.
- Out-of-pocket maximum
- The most you pay for covered in-network care in a year; after that the plan pays 100%.
- PPO
- Preferred provider organization plan; usually lower deductible and covers some out-of-network care.
- Federal credit that lowers marketplace premiums based on income. 2027 table.
- Special enrollment period
- A window outside open enrollment, usually 60 days after a qualifying life event, to sign up for coverage.
- W-2 code DD
- Box 12 code on your W-2 showing the total cost of employer health coverage.
Health insurance glossary
Plain-English definitions of health plan terms: deductible, coinsurance, out-of-pocket max, HDHP, HSA, COBRA, premium tax credit and more.