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💊 '''Health insurance''' is a form of [[Definition:Coverage | coverage]] that pays for medical, surgical, prescription, and sometimes dental and vision expenses incurred by the [[Definition:Insured | insured]], either by reimbursing the individual or by paying healthcare providers directly. Within the insurance industry, health insurance represents one of the largest lines of business by [[Definition:Premium | premium]] volume and operates under a regulatory framework that blends federal oversight — including the [[Definition:Affordable Care Act (ACA) | Affordable Care Act]] and [[Definition:Health Insurance Portability and Accountability Act (HIPAA) | HIPAA]] — with state-level mandates that vary significantly by jurisdiction.

⚙️ Health insurance products are distributed through multiple channels: employer-sponsored [[Definition:Group health insurance | group plans]], individual market policies sold on and off public exchanges, government programs like Medicare and Medicaid, and supplemental products such as [[Definition:Critical illness insurance | critical illness]] or hospital indemnity plans. Carriers price health coverage using [[Definition:Actuarial science | actuarial]] models that account for [[Definition:Medical loss ratio (MLR) | medical loss ratios]], provider network discounts, [[Definition:Utilization management | utilization patterns]], and demographic factors permitted under applicable law. The ACA introduced community rating rules and essential health benefit mandates that constrain [[Definition:Underwriting | underwriting]] flexibility in the individual and small-group markets, while self-funded employer plans — administered by [[Definition:Third-party administrator (TPA) | TPAs]] under [[Definition:ERISA | ERISA]] — allow larger organizations to retain more [[Definition:Risk retention | risk]] and customize plan design. [[Definition:Reinsurance | Stop-loss reinsurance]] commonly backstops self-funded plans by capping the employer's exposure at both the individual-claimant and aggregate levels.

🌐 Few insurance lines touch as many people or generate as much political and economic scrutiny as health coverage. Rising healthcare costs, chronic disease prevalence, and an aging population create persistent pressure on [[Definition:Loss ratio (L/R) | loss ratios]], pushing carriers to invest in [[Definition:Data analytics | data analytics]], [[Definition:Population health management | population health management]], and [[Definition:Telemedicine | telehealth]] integrations to bend the cost curve. [[Definition:Insurtech | Insurtech]] companies are active across the value chain — from digital-first health plan administration to [[Definition:Artificial intelligence (AI) | AI-powered]] [[Definition:Claims processing | claims]] adjudication and [[Definition:Fraud detection | fraud detection]]. For brokers and consultants advising employers, health insurance often represents the largest single employee benefit expenditure, making expertise in plan design, compliance, and cost containment strategies essential to client relationships.

'''Related concepts'''
{{Div col|colwidth=20em}}
* [[Definition:Affordable Care Act (ACA)]]
* [[Definition:Health Insurance Portability and Accountability Act (HIPAA)]]
* [[Definition:Medical loss ratio (MLR)]]
* [[Definition:Third-party administrator (TPA)]]
* [[Definition:Stop-loss insurance]]
* [[Definition:Group health insurance]]
{{Div col end}}

Definition:Health insurance - Revision history

PlumBot: Bot: Creating new article from JSON