Health Insurance Definitions N - Z

Browse Investopedia’s expert-written library to learn more about the vocabulary surrounding health insurance.

A young couple reviews financial options on their laptop
What Is Open Enrollment?
Doctor Pleased With Elderly Couple's Test Results
Pre-existing Condition Exclusion Period: Definition and Limits
Uniform Policy Provisions, Health Insurance
Close-up of a daughter helping her senior father fill out insurance paperwork in a clinic waiting room
What Is a POS Health Plan? Features, Benefits, and Comparison to HMO
Statistics Graph and Electronics
Pre Existing Conditions: How They Affect Your Health Insurance
419(E) Welfare Benefit Plans: What It Is, How It Works
Doctor Comforting Girl in Wheelchair
Understanding Children With Special Needs: Definitions and Financial Support
Terminally Ill: What It Means, Estate Planning
Insurance
Usual, Customary and Reasonable Fees: What They Are, How They Work
Wall Street street sign outside New York Stock Exchange
Pre-Disability Earnings: What It is, How It Works, Example
A female doctor talking to a female patient in a hospital room
U.S. Department of Health and Human Services (HHS): Definition
Girl Undergoing Eye Examination
Vision Care Insurance: Meaning, Availability, Pros and Cons