TRICARE West Payer ID
- Payer ID
- Varies — check clearinghouse
- Category
- Government
- Timely filing
- 1 year — see TRICARE filing rules →
Payer IDs can differ between clearinghouses (Availity, Waystar, Office Ally, Trizetto, etc.) and by product line. Confirm this ID against your clearinghouse's payer list before submitting.
Routing notes for billers
TRICARE West's administrator (TriWest) processes claims through its designated intermediary; clearinghouse listings vary. Search 'TRICARE West' in your payer list and note enrollment requirements.
If claims to this payer go missing
Misrouted claims surface as CO-109 denials or remark N418 — and meanwhile the filing clock keeps running. Keep your clearinghouse acceptance reports as proof of original submission; they usually restart the clock on appeal.
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