What Is TRICARE? Military Health Insurance Explained

TRICARE is the health care program for the United States military community — covering active duty service members, National Guard and Reserve members, retirees, and their families. It's one of the largest health programs in the country, covering roughly 9.6 million beneficiaries. Understanding TRICARE's structure and your appeal rights is essential if you're navigating a coverage dispute.

What Is TRICARE?

TRICARE is managed by the Defense Health Agency (DHA) and delivered through regional contracts with commercial managed care contractors. It operates like a hybrid of government and private insurance, drawing on both military treatment facilities (MTFs) and civilian provider networks.

TRICARE eligibility is tied to military status:

• Active duty service members — covered automatically with no premium
• Active duty family members — eligible; cost-sharing varies by plan
• National Guard / Reserve members — eligible when activated; separate plans when not
• Retirees and their families — eligible; premiums and cost-sharing apply
• Survivors — families of deceased service members retain eligibility

TRICARE Plan Options

TRICARE Prime The HMO-like option. Requires enrollment, designates a primary care manager (PCM) similar to a PCP, and requires referrals for specialist care. Priority access at military treatment facilities. No deductible for active duty members; small copays apply for others. Lower out-of-pocket costs overall.

TRICARE Select The preferred provider option. No PCM required; self-refer to any TRICARE-authorized provider. Higher cost-sharing than Prime but more flexibility. Available to active duty family members, retirees, and their families.

TRICARE For Life (TFL) For beneficiaries who are Medicare-eligible (age 65+ or disability Medicare). TFL acts as a secondary payer — Medicare pays first, TRICARE For Life pays most or all of the remainder. No enrollment fee, but you must be enrolled in Medicare Parts A and B.

TRICARE Reserve Select (TRS) Available to non-activated Reserve and National Guard members who are not eligible for active duty coverage. Requires a monthly premium.

TRICARE Young Adult (TYA) Extends TRICARE coverage to unmarried adult dependent children up to age 26 (the ACA age) who are not otherwise eligible for TRICARE. Premiums apply.

Prior Authorization Denied: How to Appeal" class="auto-link">Prior Authorization Under TRICARE

TRICARE Prime requires referrals from your PCM to see specialists. Most specialty care, surgery, mental health services beyond a threshold of visits, and certain diagnostic procedures require prior authorization.

Common services requiring prior authorization:

• Inpatient care (except emergency)
• Specialty medications and biologics
• Durable medical equipment above a cost threshold
• Some behavioral health services beyond initial visits
• Experimental treatments

Under TRICARE Select, you don't need referrals, but prior authorization is still required for many of the same high-cost services.

What TRICARE Covers

TRICARE provides comprehensive health coverage, generally following Medicare guidelines with some military-specific additions. Covered services include:

• Outpatient and inpatient medical care
• Mental health and substance use disorder treatment
• Prescription drugs (through TRICARE pharmacy program)
• Maternity care
• Preventive care (including well-child and immunizations)
• Durable medical equipment
• Home health care
• Extended care for qualifying dependents with disabilities (via the Extended Care Health Option, ECHO)

Common TRICARE Denial Reasons

1. No referral from PCM (Prime). For Prime enrollees, specialist care without a PCM referral results in denial or significantly higher cost-sharing.

2. Prior authorization not obtained. Even non-Prime plans require prior auth for many services. Not obtaining it before the service results in the claim being denied or processed at a higher cost-sharing rate.

3. Provider not TRICARE-authorized. TRICARE does not use a standard insurance network — providers must be TRICARE-authorized. Seeing an unauthorized provider results in denial.

4. Service not covered. TRICARE has specific exclusions, including most cosmetic procedures, most alternative therapies, and experimental treatments not approved by TRICARE.

5. Coordination with other coverage. If the beneficiary has other health insurance (OHI), TRICARE is typically secondary. Claims must be submitted to the primary insurer first.

6. TRICARE For Life coordination issue. If Medicare denied a claim, TFL won't pay either. Fix the Medicare denial first.

TRICARE Appeal Process: 3 Levels

If TRICARE denies a claim or prior authorization, you have three levels of appeal:

Level 1: Reconsideration. File with the TRICARE contractor (Humana Military, Health Net Federal Services, etc.) within 90 days of the denial. The contractor reviews its own decision. For medical necessity denials, include a physician statement, clinical records, and any relevant clinical guidelines supporting coverage.

Response time: 30 days for standard; 30 days from receipt for a retroactive review.

Level 2: Formal Reconsideration. If the contractor upholds its denial, you can appeal to the Defense Health Agency. File within 90 days of the Level 1 decision. This is a DHA-level review, not the contractor reviewing their own work.

Response time: 60 days.

Level 3: Hearing before the Departmental Appeals Board (DAB). If the DHA upholds the denial, you can request a hearing before the Departmental Appeals Board. This is the final administrative level. File within 90 days of the Level 2 decision.

At any level, if the issue is urgent, request expedited review — TRICARE is required to respond more quickly when a delay would seriously jeopardize health.

TRICARE and Mental Health

TRICARE provides mental health benefits, but has specific rules. TRICARE Prime requires referral and prior auth for most mental health specialty visits beyond a few initial visits. TRICARE Select and other plans have similar prior auth requirements for extended treatment.

If you or a family member needs mental health treatment and your TRICARE claim is denied, document the clinical necessity carefully. The Military OneSource program also provides additional mental health counseling sessions at no cost to active duty families.

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Related Reading:

• How to Write an Insurance Appeal Letter
• What Is Medical Necessity?
• Internal vs External Insurance Appeal