Health Insurance Definitions A - M

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

Happy couple paying bills
What Is Medicare Supplement Plan N?
Young female healthcare worker and senior man in a conversation
What Is Medicare Supplement Plan G?
Smiling older woman giving medical card to receptionist who has dental X-rays pulled up on screen
What Is Dental Insurance?
Dentist holding tablet computer talks to patient
What Is a Dental Savings Plan?
Disabled child
Katie Beckett Waiver: What It Is, How It Works
health-insurance-medicaid
Medicaid Waiver
Doctor with money
Health Insurance Premium: Meaning, Overview, FAQ
Two male doctors talking together
Health Insurance Deductible: What It Is and How It Works
Health Maintenance Organization: A network or organization that provides health insurance coverage for a monthly or annual fee.
Health Maintenance Organization (HMO): What It Is, Pros and Cons
Health Insurance
Consolidated Omnibus Budget Reconciliation Act (COBRA)
Hsa Custodian: What It Is, Cost, Example
Health Savings Account (HSA): A tax-advantaged account for individuals with high-deductible health plans to save for medical expenses that those plans do not cover.
Health Savings Account (HSA): How HSAs Work, Contribution Rules
A couple sitting at a table review documents.
Health Reimbursement Arrangement (HRA): What It Is, How It Works
Coinsurance
Coinsurance: Definition, How It Works, and Example
Medical costs
Medical Cost Ratio (MCR): What it is, How it Works, Example
Doctor
Commercial Health Insurance: Definition, Types, and Examples
Medicaid: What It Is, How It Works, Special Conditions
doctor talking with senior male patient in clinic waiting room
Capitation Payments: Definition, How They Work, and Calculation
High-Deductible Health Plan (HDHP): Definition, Coverage, and Costs
Affordable Care Act
Group Health Insurance: What It Is, How It Works, Benefits
Issue-Age Policy: What It is, How It Works
A doctor in a hospital selecting papers off the wall
Catastrophic Illness Insurance: What It Is, How It Works
Health Plan Categories
Flexible Spending Account (FSA): An employer–sponsored savings account that allows employees to set aside pretax funds for qualified medical expenses.
What Is a Flexible Spending Account (FSA)?
Accountable Care Organizations (ACOs): Meaning, Drawbacks
An older woman sits at a kitchen table looking at bills
Medicare Hold Harmless Provision: What It Is, How It Works
Female doctor greeting a girl in wheelchair
Hardship Exemption: What It Means, How It Works
Doctor prescribing medicines to patient
Medicare Supplement Insurance: What It Is, How It Works
A stethoscope on a hundred dollar bill
Medical Expenses: Definition, Examples, Tax Implications
Prescription drugs on a pharmacy counter.
Creditable Coverage: Requirements, Pre-Existing Conditions
Hand Is Writing Employee Benefits in a Note
Benefit Allowance: Definition, Purposes, and Types
Elder Care Facility
Long-Term Care (LTC) Insurance: Definition, Costs, Alternatives
A doctor explaining the drugs in the prescription to senior patient
Medical Savings Account (MSA): Meaning, History, Types
Doctor Going Over Test Results With Patient
Capitated Contract: Overview, Examples, FAQ
ACA Health Insurance Marketplace: What It Is, How It Works
What is Health Insurance?
Health Insurance: Definition, How It Works
Writing note showing Medicare.
What Is Medicare? How It Works, Who Qualifies, and How to Enroll
Archer MSA: What it is, How it Works, History
Children’s Health Insurance Program (CHIP)
Elderly Man Talking To Doctor About Test Results
Medical Underwriting: Overview and Benefits
An older woman and her adult daughter look at a laptop together in a living room
Medicare Advantage: Overview, Types, FAQs
Medigap insurance inscription and stethoscope
Medigap: What It Means, How It Works, History
Health Insurance Form
Ancillary Benefits: What They are, Benefits
Pipette adding sample to petri dish with DNA profiles.
European Medicines Agency (EMA): Meaning and Examples
Doctor and businessman shaking hands.
Case Management: Types, Examples and FAQs
Carryover Provision: What It Means, How It Works, Example
What Are Intellectual Property Rights in Biotechnology?
Certificate of Need (CON): What it Means, How it Works, Example
Health Insurance Portability and Accountability Act (HIPAA)
Biotechnology: A science-driven industry sector that uses living organisms and their derivatives to produce products and processes.
Biotechnology
Grandfathered Health Plan: What It is, How It Works
Prescription drugs
Medicare Part D: What It is, How It Works, Example
Actuarial Value: What It Is, How It Works
Abbreviated New Drug Submission (ANDS): What It is, How It Works
Female nurse using stethoscope on back of senior patient in clinic examination room
Hospital Insurance Trust Fund: What It is, How it Works
Nurse Talking to Patient in Hospital
Allied Healthcare Professional Liability Insurance
Children and Teachers Playing and Making Music in Kindergarten
Dependent Care Flexible Spending Account (FSA): Meaning, Overview
Minimum Essential Coverage: What it Means, How it Works
Lifetime Reserve Days
Catastrophic Health Insurance: What It is, How it Works