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Glossary · Updated

Health insurance glossary

Plain-English definitions of health plan terms: deductible, coinsurance, out-of-pocket max, HDHP, HSA, COBRA, premium tax credit and more.

Jump to: A B C D F H O P S W

A

Affordability test
Rule that job coverage is affordable if employee-only premiums are under a set share of income. 2027.

B

Benchmark plan
The second-lowest-cost silver plan in your area; the tax credit is based on its price.

C

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.

D

Deductible
What you pay for covered care each year before the plan starts sharing costs.

F

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.

H

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.

O

Out-of-pocket maximum
The most you pay for covered in-network care in a year; after that the plan pays 100%.

P

PPO
Preferred provider organization plan; usually lower deductible and covers some out-of-network care.
Premium tax credit
Federal credit that lowers marketplace premiums based on income. 2027 table.

S

Special enrollment period
A window outside open enrollment, usually 60 days after a qualifying life event, to sign up for coverage.

W

W-2 code DD
Box 12 code on your W-2 showing the total cost of employer health coverage.

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