Key Takeaways

  • Mississippi uses the federal HealthCare.gov marketplace for ACA coverage
  • The Mississippi Insurance Department (MID) regulates health insurance in the state
  • Pre-existing condition exclusions are prohibited under ACA-compliant plans
  • Mississippi requires mental health parity for large employer fully-insured plans
  • Individual and small employer plans must offer optional behavioral health coverage
Last updated: January 2026

Mississippi Health Insurance Policy Requirements

Mississippi has health insurance regulations that work alongside federal requirements. Understanding these state-specific rules is essential for the licensing exam.

Regulatory Structure

Mississippi health coverage is regulated by the Mississippi Insurance Department (MID):

AgencyRole
Mississippi Insurance Department (MID)Regulates all health insurance, reviews rates and forms
Federal CMSOperates the HealthCare.gov marketplace for Mississippi

Health Insurance Marketplace

Mississippi uses the federal HealthCare.gov marketplace:

  • One of the states using the federally facilitated marketplace
  • Provides access to qualified health plans (QHPs)
  • Premium tax credits available for eligible residents
  • Open enrollment and special enrollment periods apply

Metal Tier Plans

Plans available through the marketplace are categorized by metal tiers:

TierActuarial ValueCost Sharing
Bronze60%Higher out-of-pocket costs
Silver70%Moderate cost sharing
Gold80%Lower out-of-pocket costs
Platinum90%Lowest out-of-pocket costs

Pre-Existing Condition Protections

Mississippi prohibits pre-existing condition exclusions in ACA-compliant plans:

Market SegmentPre-Existing Condition Exclusions
IndividualProhibited
Small GroupProhibited
Large GroupLimited by federal law

Guaranteed Issue and Renewal

Mississippi requires:

Guaranteed Issue

  • Insurers must accept all applicants for ACA-compliant plans
  • Cannot deny coverage based on health status
  • Applies to individual and small group markets

Guaranteed Renewal

  • Insurers cannot cancel coverage except for:
    • Non-payment of premium
    • Fraud or misrepresentation
    • Plan discontinuation (with proper notice)

Mental Health Parity

Mississippi has mental health parity requirements:

State Parity Law Requirements

Mississippi law requires:

  • Large employer fully-insured plans must cover behavioral health conditions
  • Individual and small employer plans must offer optional behavioral health coverage
  • At least 30 days of inpatient care must be covered
  • At least 60 days of partial hospitalization must be covered
  • At least 52 outpatient visits must be covered

Financial Parity Requirements

RequirementDetails
Rate of PaymentSame as for other medical services
Financial RequirementsNo less favorable than medical/surgical
Annual MaximumsNo less favorable than medical/surgical
Lifetime MaximumsNo less favorable than medical/surgical

Federal MHPAEA Compliance

Mississippi requires insurers to comply with the federal Mental Health Parity and Addiction Equity Act (MHPAEA):

  • Financial requirements must be comparable
  • Treatment limitations must be comparable
  • Prior authorization requirements must be comparable
  • Out-of-pocket costs must be comparable

Exam Tip: Mississippi requires behavioral health coverage with parity protections, meaning mental health benefits cannot be more restrictive than medical/surgical benefits.

Essential Health Benefits

All individual and small group plans must cover:

  1. Ambulatory patient services
  2. Emergency services
  3. Hospitalization
  4. Maternity and newborn care
  5. Mental health and substance use disorders
  6. Prescription drugs
  7. Rehabilitative services
  8. Laboratory services
  9. Preventive and wellness services
  10. Pediatric services (including dental and vision)

Claims Handling Requirements

Mississippi has specific claims handling timeframes:

Type of ClaimElectronic SubmissionPaper Submission
Clean Claims25 days35 days
Non-Clean ClaimsNotify within 25 daysNotify within 35 days
Resubmitted Claims20 days after receipt20 days after receipt

Insurers must:

  • Furnish claim forms within 15 days of notice
  • Pay clean claims within specified timeframes
  • Notify claimants of additional documentation needed
Test Your Knowledge

Which marketplace does Mississippi use for individual health insurance under the ACA?

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Test Your Knowledge

What does Mississippi law require for behavioral health coverage in large employer plans?

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Test Your Knowledge

Within how many days must Mississippi insurers pay clean electronic claims?

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Test Your Knowledge

Can Mississippi health insurers deny coverage based on pre-existing conditions?

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Test Your Knowledge

How many outpatient mental health visits must large employer plans cover in Mississippi?

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