TRICARE splits provider appeals into two tracks: factual appeals (payment or non-covered-benefit determinations) and medical necessity appeals (care denied as not medically necessary). Routine appeals must be filed within 90 days, with TriWest (West Region) or Humana Military (East Region); expedited authorization appeals use a shorter deadline. Disputes of $50+ can reach a Defense Health Agency review; $300+ can reach an independent hearing. Point-of-Service determinations generally cannot be appealed.
Why TRICARE Appeals Trip Up Providers Used to Commercial Payers
TRICARE covers roughly 9.4 million service members, retirees, and family members (Congressional Research Service, updated January 2026), and most billing staff who handle it fluently for commercial and Medicare Advantage plans still treat it like one more payer with one appeal process. It isn't. TRICARE runs two structurally distinct appeal tracks — factual and medical necessity — reviewed by different parties on different clocks, plus a third category, Point-of-Service determinations, that is largely not appealable at all. Filing the wrong track's paperwork, or appealing something that was never eligible for appeal, burns the 90-day window without moving the claim forward.
Two Tracks, Two Reviewers
A factual appeal disputes a payment or non-covered-benefit determination, including payment stopped for previously authorized services. A medical necessity appeal disputes a clinical judgment — TRICARE decided the requested care wasn't medically necessary. The secondary reviewer and reconsideration path differ between the two. Follow the classification and instructions in the denial letter; sending evidence for the wrong appeal track can stall the review.
TRICARE West vs. East: Which Contractor Handles Your Appeal
Since January 1, 2025, TRICARE operates two regions instead of three, and the contractor boundary moved. TriWest Healthcare Alliance now administers the West Region, which absorbed six states that were previously in the East — Arkansas, Illinois, Louisiana, Oklahoma, Texas, and Wisconsin. Humana Military continues to administer the remaining East Region states. Which contractor processes your appeal depends on the beneficiary's regional enrollment and the date of service, not on where your practice is physically located.
2026 Claims Processing Delays — Confirm Before You Assume a Denial
Providers in the realigned states have reported call-center wait times stretching for hours and stalled referrals and authorizations since the transition, prompting professional associations including ASHA, AOTA, and APTA to request congressional hearings (Military.com, April 2026). Separately, Humana Military held claims with 2026 dates of service while updated reimbursement rates were implemented, and a late outpatient prospective payment system pricer caused further delays — against a contractual standard of paying 98% of claims within 30 days. Before filing a factual appeal over non-payment, confirm the claim wasn't simply caught in one of these administrative holds; the fix may be a status call rather than a formal appeal.
How to File a Factual Appeal
File a factual appeal when TRICARE denied payment for services or supplies, stopped payment for previously authorized services, or classified a denial as a non-covered-benefit determination. Follow the appeal type stated in the EOB or denial letter rather than inferring it from the claim status alone.
Step 1: Confirm You're Within the 90-Day Window
The postmark must fall within 90 days of the date on the explanation of benefits (EOB) or decision letter (TRICARE, Factual Appeals). Submit even if supporting documentation isn't fully assembled yet — state in the letter that additional records will follow, rather than waiting and missing the deadline.
Step 2: Submit to Your Regional Contractor
Send a written appeal letter to TriWest (West Region) or Humana Military (East Region), including a copy of the EOB or denial letter and any supporting documentation. The contractor issues the Level 1 decision.
Step 3: Escalate Based on the Disputed Amount
| Level | Reviewer | Deadline to File | Threshold to Continue |
|---|---|---|---|
| Level 1 | Regional contractor (TriWest or Humana Military) | 90 days from EOB/decision | Under $50 = final; $50+ can escalate |
| Level 2 | Defense Health Agency (DHA) formal review | 60 days from Level 1 decision | Under $300 = final; $300+ can escalate |
| Level 3 | Independent hearing officer | 60 days from Level 2 decision | Recommendation only — DHA director or ASD(HA) issues the final decision |
Below $50, the contractor's Level 1 decision is final — there's no further appeal. Between $50 and $300, a formal DHA review is the last stop. At $300 or more, you can request an independent hearing after the formal review, though the hearing officer only recommends a decision; final authority sits with the DHA director or the Assistant Secretary of Defense for Health Affairs.
How to File a Medical Necessity Appeal
File a medical necessity appeal when TRICARE denies pre-authorization or payment specifically because it determined the requested care wasn't medically necessary — a clinical judgment call, not a processing or eligibility issue.
Step 1: Submit Within 90 Days, With Clinical Support
Send a letter to your regional contractor within 90 days of the EOB or decision, including the denial document and supporting clinical documentation: chart notes, relevant clinical guidelines, and — where applicable — a physician statement addressing the specific criteria the payer cited. For the underlying letter structure, see the medical necessity justification letter guide.
Step 2: Request Reconsideration From the TRICARE Quality Monitoring Contractor
If the contractor upholds the denial, the next step is reconsideration — but unlike a factual appeal's Level 2 (handled by the DHA directly), a medical necessity reconsideration goes to the TRICARE Quality Monitoring Contractor (TQMC). File within 90 days of the contractor's decision, using the address in that decision letter (TRICARE, Medical Necessity Appeals).
Step 3: Independent Hearing at $300 or More
As with factual appeals, disputes of $300 or more can proceed to an independent hearing after TQMC reconsideration, filed with the Defense Health Agency within 60 days of the reconsideration decision. The hearing officer's recommendation goes to the DHA director or Assistant Secretary of Defense for Health Affairs for a final decision.
Read Across to the IRO Model
The external, independent-reviewer step at the top of both TRICARE tracks mirrors the state-mandated external review process used in commercial insurance appeals — see the independent review organization guide for how that model works outside TRICARE.
Appealing a Prior Authorization or Referral Denial
TRICARE Prime beneficiaries generally need a referral from their primary care manager (PCM) before seeing most specialists. A denied referral or prior authorization can be appealed on the same medical-necessity or factual grounds described above, filed with the regional contractor:
| Appeal Type | Filing Deadline | Where to File |
|---|---|---|
| Expedited authorization appeal | 3 calendar days of the denial | Regional contractor (urgent medical need) |
| Routine authorization appeal | 90 calendar days of the denial | Regional contractor |
The Point-of-Service Trap
One category is generally not appealable at all: Point-of-Service (POS) determinations. If a TRICARE Prime beneficiary sees a non-network provider without a referral, or gets non-emergency preventive care from a non-network specialist, the visit is processed under the POS option — a $300 individual / $600 family deductible plus 50% cost-share of the TRICARE allowable charge, which does not count toward the annual catastrophic cap (TRICARE, Point-of-Service Option). That cost-sharing decision generally can't be appealed, except for emergency-related services. The most common way providers generate an unnecessary appeal is treating a POS cost-share as a denial to fight, when the underlying issue is a missing referral — the fix is a referral, not an appeal.
TRICARE Appeal Letter Template
Use this as a starting structure for either appeal track — mark the applicable box, and route it to the correct department based on your region.
Turn this denial into a review-ready draft.
Muni prepares a payer-specific appeal, policy citations, and an evidence checklist. Your team reviews and submits it.
TRICARE West and East Filing Details
| Region | Contractor | Claims Reconsideration | Appeals |
|---|---|---|---|
| West Region | TriWest Healthcare Alliance | TRICARE West Correspondence, P.O. Box 2748, Virginia Beach, VA 23450 · Fax 1-866-852-1969 | TRICARE West Claims Appeals, P.O. Box 2777, Virginia Beach, VA 23450 · Fax 1-866-670-4330 |
| West Region — Authorization Appeals | TriWest Healthcare Alliance | — | Appeals and Reconsideration Dept., P.O. Box 2636, Virginia Beach, VA 23450 · Fax 866-852-1919 |
| East Region | Humana Military | PO Box 202146, Florence, SC 29502-2146 (mark "Reconsideration Request") · Fax (877) 489-0011 | Humana Military Appeals, PO Box 740044, Louisville, KY 40201-7444 · Fax (877) 850-1046 |
Reconsideration and appeal go to different addresses, so confirm which one applies before mailing — a reconsideration disputes a processing detail (allowed amount, timely filing, coordination of benefits), while an appeal disputes a coverage or medical necessity determination. Verify the current destination on the official TriWest reconsiderations and appeals page or Humana Military appeals and reconsideration page before sending the packet.
How Muni Appeals Helps With TRICARE Provider Appeals
TRICARE's two-track structure means the first job on any denial is classification — factual or medical necessity — before anything else, because that decision determines the reviewer, the reconsideration path, and which documentation actually matters. Muni Appeals organizes denial materials by track and by TRICARE region, so staff aren't reconstructing which contractor, which deadline, and which escalation level applies from scratch on every case.
For the broader deadline landscape TRICARE appeals sit inside, see the insurance appeal deadlines guide and the state-by-state appeal laws reference. Practices weighing whether to handle this volume manually or automate the workflow should see the appeal automation cost comparison before committing to either approach.
Frequently Asked Questions
What's the difference between a TRICARE factual appeal and a medical necessity appeal?
A factual appeal disputes whether TRICARE correctly applied its own payment or authorization rules — for example, a claim denied for a processing reason or previously authorized services that were cut off. A medical necessity appeal disputes a clinical judgment that the requested care wasn't medically necessary. They're reviewed differently: factual appeals escalate to a DHA formal review, while medical necessity appeals escalate to the TRICARE Quality Monitoring Contractor for reconsideration.
How long do I have to file a TRICARE appeal?
Both factual and medical necessity appeals must be postmarked within 90 days of the date on the explanation of benefits or decision letter. Expedited authorization appeals for urgent medical needs have a shorter three-calendar-day window.
Which TRICARE contractor handles my appeal — TriWest or Humana Military?
TriWest Healthcare Alliance administers the West Region, which as of January 1, 2025 includes Arkansas, Illinois, Louisiana, Oklahoma, Texas, and Wisconsin in addition to its original West Region states. Humana Military administers the remaining East Region states. The contractor is determined by the beneficiary's regional enrollment and date of service, not your practice's location.
Can I appeal a TRICARE Point-of-Service cost-share?
Generally no. Point-of-Service determinations — triggered when a TRICARE Prime beneficiary sees a non-network provider without a referral — are not appealable except for emergency-related services. If a POS cost-share was applied in error, confirm whether a valid referral existed rather than filing an appeal; a missing-referral issue is fixed with a referral, not a formal appeal.
What happens if my TRICARE appeal is denied at the first level?
For a factual appeal, disputes of $50 or more can proceed to a Defense Health Agency formal review within 60 days of the first decision. For a medical necessity appeal, request reconsideration from the TRICARE Quality Monitoring Contractor within 90 days. Disputes of $300 or more at either track can reach an independent hearing after that second level, though the hearing officer's decision is only a recommendation to the DHA director or Assistant Secretary of Defense for Health Affairs.
Why is my TRICARE claim stuck instead of denied outright?
Since the January 2025 regional realignment, providers in transitioned states have reported significant call-center and authorization delays, and Humana Military held some 2026-dated claims while implementing updated reimbursement rates. Before filing a formal appeal over a stalled claim, confirm with the contractor whether the delay is an administrative processing hold rather than a denial — the fix in that case is a status call, not an appeal.
Does a TRICARE referral denial follow the same appeal process as a claim denial?
Yes. A denied referral or prior authorization is appealed on the same factual or medical necessity grounds, filed with your regional contractor. Routine authorization appeals have the standard 90-day window; expedited appeals for urgent medical need must be filed within three calendar days.
Ready to Simplify TRICARE Appeals?
TRICARE's split appeal structure — two tracks, two reviewers, a regional contractor boundary that moved in 2025, and a non-appealable Point-of-Service category — creates more classification work upfront than most commercial payers require. Getting the track right the first time is what keeps the 90-day clock from running out on the wrong paperwork.
Muni Appeals helps practices:
- Organize TRICARE denials by appeal track (factual vs. medical necessity) instead of treating every denial the same way
- Track the correct regional contractor and escalation deadline for each case
- Route documentation to match what each reviewer actually asks for
This guide reflects 2026 TRICARE provider appeal procedures for the West Region (TriWest Healthcare Alliance) and East Region (Humana Military). TRICARE regional contracts, reimbursement rates, and processing timelines are subject to change; confirm current procedures with your regional contractor before filing. This information is for administrative and billing purposes and is not legal or medical advice.