Mental Health Parity — Your Right to Equal Coverage

What MHPAEA requires

For plans that cover mental health and substance use treatment (most do), those benefits must be no more restrictive than medical/surgical benefits in:

Financial requirements

• Copays and coinsurance
• Deductibles
• Out-of-pocket maximums
• Annual or lifetime dollar limits

Quantitative treatment limits

• Number of visits covered per year
• Days of inpatient treatment
• Maximum episodes of care

Non-quantitative treatment limits (NQTLs)

• Prior authorization requirements
• Medical necessity criteria
• Formulary design
• Provider network adequacy
• Step therapy / fail-first requirements
• Concurrent review practices

NQTLs are the most frequent source of parity violations. If prior authorization is easier for a cardiac test than a psychiatric evaluation, that's a parity issue even though each may be allowed in isolation.

Plans covered

• Group health plans (employer-sponsored, most)
• Individual market plans (ACA marketplace and off-marketplace)
• Medicaid managed care (since 2016)
• CHIP

Plans NOT covered

• Traditional Medicare (separate parity rules apply)
• Very small employer plans (2-50 employees) with grandfathered status
• Some self-funded non-federal governmental plans (can opt out)
• Short-term limited-duration insurance
• Retiree-only plans

Common parity violations

Stricter prior authorization for mental health

Your plan requires prior auth for outpatient psychotherapy but not for outpatient physical therapy. Parity violation unless the plan can justify the disparity based on clinical criteria.

Different medical-necessity criteria

Your plan uses its own narrow internal guidelines for mental health treatment that conflict with generally accepted standards, while using standard medical criteria for medical care. Parity violation.

Visit limits

Your plan limits outpatient mental health visits to 20 per year when medical visits are unlimited. Parity violation.

Network inadequacy

Your plan lists in-network mental health providers, but most aren't accepting new patients or aren't actually credentialed. When "ghost networks" force you out-of-network, parity can be violated.

Step therapy for psychiatric medications

Your plan requires you to fail on three antidepressants before covering a fourth, but doesn't require similar step-therapy for cardiac medications. Potential parity violation.

Residential and intensive outpatient coverage

Your plan excludes residential mental health/substance use treatment while covering skilled nursing for medical needs. Parity violation.

Addiction treatment specifically

MHPAEA covers substance use disorder (SUD) treatment too. Parity applies to:

• Detoxification
• Medication-assisted treatment (MAT) — methadone, buprenorphine, naltrexone
• Residential rehab
• Intensive outpatient programs
• Recovery support services

Plans that exclude SUD treatment, impose lifetime limits on SUD, or require excessive step therapy for MAT are violating parity.

What to do when parity is violated

Step 1 — Read the denial letter

The denial letter should explain the medical necessity criteria and the policy provisions relied on. Ask for the specific medical-necessity guidelines the insurer used.

Step 2 — Request the "comparative analysis"

Since 2021, group health plans have been required to prepare a comparative analysis showing that NQTLs applied to mental health are comparable to those applied to medical care. You can request this. Failure to produce a compliant comparative analysis is itself a violation.

Step 3 — Appeal

Follow the plan's appeal process. See the insurance appeals guide. Frame your appeal explicitly in parity terms — cite MHPAEA, state laws, and specifics.

Step 4 — External review

For ACA-compliant plans, independent external review is available if internal appeals fail.

Step 5 — File a complaint

• For employer group plans (ERISA) — U.S. Department of Labor, Employee Benefits Security Administration (EBSA) at 866-444-3272
• For individual and non-federal government plans — Illinois Department of Insurance Consumer Services 877-527-9431
• For Medicaid — file a grievance with your managed care plan, then appeal to HFS
• For any plan with a mental health parity concern — Kennedy Forum Parity Registry, American Psychiatric Association parity complaint resources

Illinois-specific parity enhancements

Illinois has its own mental health parity law (215 ILCS 5/370c.1) that extends parity protections beyond federal law in some respects:

• Substance use disorder benefits must match medical/surgical benefits in fully-insured plans
• Generally accepted standards of care must be used for medical necessity
• Illinois Department of Insurance enforcement is available

Emergency mental health services

Emergency mental health treatment — including inpatient psychiatric care following a 9-8-8 crisis or ER admission — is generally subject to emergency-services rules: plans cannot require prior authorization for emergency care, and balance billing protections apply (See the medical bill guide).

The 988 crisis line

The 988 Suicide and Crisis Lifeline is the U.S. three-digit crisis line. Dial or text 988. Free, confidential, 24/7. Calls are routed to local crisis centers. Services include phone counseling, mobile crisis team dispatch (in participating areas), referral to local resources.

Free help

• The Kennedy Forum — parity advocacy, thekennedyforum.org
• NAMI Chicago (National Alliance on Mental Illness) — helpline and advocacy, 800-950-6264
• Illinois Department of Insurance — Consumer Services — 877-527-9431
• U.S. Department of Labor — EBSA — 866-444-3272
• Legal Council for Health Justice — health-related legal issues
• Equip for Equality — Mental Health — 312-341-0022