Indian Health Service
How to appeal a denial from this carrier, with deadlines, portals, and common denial patterns.
Indian Health Service denials follow a predictable pattern — and most of them are appealable. We track the specific reasons Indian Health Service most commonly cites, what's worked to overturn them, and which federal and state protections apply. If you're appealing a Indian Health Service denial, this is your starting line.
Appeal process
Internal appeal to Indian Health Service must be filed within 180 days of the denial notice. Indian Health Service has 30 days to decide standard appeals, 72 hours for urgent. After internal exhaustion, external review by an Independent Review Organization is available for non-grandfathered plans under ACA §2719.
Frequently asked questions
How do I appeal a Indian Health Service denial?
File an internal appeal in writing within 180 days of the denial. Indian Health Service has 30 days to decide standard appeals (72 hours for urgent). After internal exhaustion, request external review by an Independent Review Organization (IRO) — federal law requires this for non-grandfathered plans (ACA §2719).
Which federal regulations apply to Indian Health Service appeals?
Depends on plan type: ERISA §503 + ACA §2719 for commercial/employer plans, 42 CFR Part 422 Subpart M for Medicare Advantage, 42 CFR Part 438 Subpart F for Medicaid managed care.
Other Federal
Appeal a Indian Health Service denial
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