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Glossary of
Health Insurance Terms

This glossary is designed to support our insurance and medical billing guides.

Terms may appear across multiple pages.

Key Terms

Allowed Amount: The maximum amount your insurance plan agrees to pay for a covered service. You may be responsible for the difference if the provider charges more.

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Appeal: A formal request asking your insurance company to review and reconsider a denied claim.

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Balance Billing: When a provider bills you for the difference between what they charge and what your insurance pays, typically involving out-of-network care.

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Claim: A request submitted to your insurance company asking them to pay for healthcare services you received.

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Coinsurance: The percentage of costs you pay for covered services after you’ve met your deductible.

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Copay (Copayment): A fixed dollar amount you pay for certain healthcare services, such as a doctor visit or prescription.

 

Cost Sharing: The portion of healthcare costs you pay out of pocket, including deductibles, copays, and coinsurance.

 

Covered Services: Medical services that your insurance plan agrees to help pay for.

 

Deductible: The amount you must pay for covered healthcare services before your insurance starts paying.

 

Denial: When an insurance company refuses to pay for a claim, service, medication, or procedure.

 

Emergency Care: Medical care needed immediately to prevent serious harm. Emergency services are often covered at in-network rates, even if the provider is out-of-network.

 

Explanation of Benefits (EOB): A statement sent by your insurance company explaining how a claim was processed. It is not a bill.

 

Exclusive Provider Organization (EPO): A health plan that covers only in-network care (except emergencies) and typically does not require referrals.

 

Fully-Insured Plan: An employer-sponsored plan where an insurance company pays medical claims in exchange for premiums paid by the employer.

 

Good-Faith Estimate (GFE): A written estimate of expected healthcare costs provided before care, primarily for uninsured or self-pay patients.

 

Health Insurance: A legal agreement that helps pay for healthcare costs in exchange for regular payments called premiums.

 

Health Insurance Plan (Policy): A contract that outlines what healthcare services are covered, how much insurance pays, and how much you pay.

 

Health Insurance Marketplace: A federal or state platform where individuals and families can shop for health insurance plans and may qualify for subsidies.

 

Health Maintenance Organization (HMO): A plan that typically requires referrals to see specialists and limits coverage to in-network providers, except emergencies.

 

Independent Review Organization (IRO): An outside organization that reviews insurance denials after internal appeals are exhausted.

 

In-Network Provider: A doctor, hospital, or facility that has a contract with your insurance plan to offer services at lower, negotiated rates.

 

Itemized Bill: A detailed bill listing each service, test, medication, and charge separately, often including procedure codes.

 

Limited-Benefit Plan: A plan that covers only specific services (such as dental or vision) and does not qualify as comprehensive health insurance.

 

Medicaid: A government program providing free or low-cost health coverage to eligible low-income individuals and families.

 

Medicare: A federal health insurance program primarily for people age 65 and older and certain younger individuals with disabilities.

 

Medical Necessity: A determination by an insurance company that a service or treatment is needed to diagnose or treat a condition.

 

Out-of-Network Provider: A provider that does not have a contract with your insurance plan and usually costs more to see.

 

Out-of-Pocket Maximum: The most you will pay for covered healthcare services in a plan year. After reaching this amount, insurance typically pays 100% of covered costs.

 

Plan Year: The 12-month period during which your insurance benefits and cost limits apply.

 

Preferred Provider Organization (PPO): A plan that allows both in-network and out-of-network care, usually at a higher cost for out-of-network services.

 

Premium: The amount you pay regularly (monthly or per paycheck) to keep your health insurance active.

 

Preventive Services: Routine care such as checkups, vaccines, and screenings that are often covered at no cost.

 

Prior Authorization: Approval required from your insurance company before certain services or medications are covered.

 

Provider Network: The group of doctors, hospitals, and pharmacies contracted with an insurance plan.

 

Referral: Approval from a primary care provider to see a specialist, required by some plans.

 

Self-Insured (Self-Funded) Plan: An employer-sponsored plan where the employer pays medical claims directly instead of an insurance company.

 

Self-Pay: When a patient chooses not to use insurance and pays healthcare costs directly.

 

Short-Term Limited-Duration Plan: Temporary insurance coverage that often excludes pre-existing conditions and lacks key protections.

 

Summary of Benefits and Coverage (SBC): A standardized document explaining what a health plan covers and how costs are shared.

 

Third-Party Administrator (TPA): An organization that manages claims and enrollment for self-insured employer plans.

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The Fineprint provides educational and informational content only and does not offer medical, legal, or professional healthcare advice. The information on this website is not intended to replace consultation with qualified healthcare providers, medical professionals, or insurance specialists. Users should always seek advice from licensed professionals regarding individual medical conditions, treatment decisions, or healthcare coverage.

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