Your Health Insurance Glossary Guide with a person reading a glossary talking medical
Article 1 Minute Read November 2025

Healthcare Glossary

Marketplace plans, such as health insurance, cover medical care, including doctor visits, hospital services, prescriptions, and preventive care, by splitting healthcare costs between you and the insurance plan. They are distinct from the carrier that provides them.

The following glossary includes the most commonly used health insurance terms and definitions.

It covers fundamental and advanced terms on one easy-to-navigate page, so you do not need to search multiple sources to understand health coverage language.

Healthcare Terms & Definitions

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i Most qualifying events allow enrollment during the 60 days before or after the event. Loss of Medicaid or CHIP may allow 90 days after coverage ends.

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