Key Takeaways

  • Oklahoma uses the federal HealthCare.gov marketplace for ACA coverage
  • The Oklahoma Insurance Department (OID) regulates health insurance
  • Pre-existing condition exclusions are prohibited under ACA-compliant plans
  • Oklahoma has state-mandated benefits including diabetes care management
  • Oklahoma did not expand Medicaid until 2021 (voter-approved)
Last updated: January 2026

Oklahoma Health Insurance Policy Requirements

Oklahoma has health insurance regulations that work alongside federal requirements under Title 36 of the Oklahoma Statutes.

Regulatory Structure

Oklahoma health coverage is regulated by the Oklahoma Insurance Department (OID):

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

Health Insurance Marketplace

Oklahoma uses the federal HealthCare.gov marketplace:

  • Federally facilitated marketplace
  • Provides access to qualified health plans (QHPs)
  • Premium tax credits available for eligible residents
  • Open enrollment and special enrollment periods apply

Rate Regulation

Plan TypeRegulator
Fully-insured individual policiesOklahoma Insurance Department
Federal exchange/SHOP plansCMS and OID
Fully-insured employer groupsNegotiable with carrier, OID regulated
Self-insured large group plansDepartment of Labor

Metal Tier Plans

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

Medicaid Expansion

Oklahoma expanded Medicaid through a 2020 voter initiative:

  • State Question 802 approved by voters
  • Expansion took effect July 1, 2021
  • Covers adults up to 138% of federal poverty level
  • SoonerCare (Oklahoma Medicaid) provides coverage

Pre-Existing Condition Protections

Oklahoma 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

Oklahoma 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)

State-Mandated Benefits

Oklahoma mandates specific benefits beyond ACA requirements:

Required Coverage

MandateApplies To
Diabetes Care ManagementIndividual and group plans, HMOs
Congenital AnomalyIncluding cleft lip and palate
Reconstructive SurgeryGroup plans and HMOs

HMO Basic Health Care Services

Oklahoma Administrative Code requires HMOs to provide:

  • Physician services including consultant and referral services
  • Outpatient services including diagnostic services, treatment services, and x-ray services
  • Medically necessary emergency health services
  • 20 outpatient visits per enrollee per year for short-term mental health services
  • Inpatient and outpatient care for cleft lip or cleft palate treatment

Standard Health Benefit Plans (36 O.S. § 4415)

Oklahoma offers standard health benefit plans for individuals under 40:

  • Do not include state-mandated benefits
  • Provide creditable coverage
  • Must include disclosure statements and acknowledgments
  • Rate filings subject to OID review

Exam Tip: Oklahoma uses HealthCare.gov for individual health insurance and has specific state mandates for diabetes care.

Mental Health Parity

Oklahoma requires mental health parity compliance:

Federal MHPAEA Compliance

  • Financial requirements must be comparable to medical/surgical
  • Treatment limitations must be comparable
  • Prior authorization requirements must be comparable
  • Out-of-pocket costs must be comparable

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)

External Review

Oklahoma provides external review rights:

  • Consumers can appeal denied claims
  • Independent external review available
  • Binding decision on insurer
Test Your Knowledge

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

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Test Your Knowledge

Which state-mandated benefit does Oklahoma require for individual and group health plans?

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Test Your Knowledge

Which agency regulates health insurance in Oklahoma?

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Test Your Knowledge

When did Oklahoma expand Medicaid under the ACA?

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Test Your Knowledge

How many outpatient mental health visits must Oklahoma HMOs provide per enrollee per year?

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