UnitedHealthcare (Medicare Advantage)
Medicare AdvantageVerified · August 2026National
UnitedHealthcare Medicare Advantage plans (national). Medicaid, commercial, and other lines are separate entries.
- Standard timely filing
- 365 days
- Appeal filing window
- 365 days
- Prior authorization
- Not yet published
- Appeal channel
- Not yet published
- Provider portal
- Not yet published
- Verification
- Verified · August 2026by AR Guide team
Notes
UnitedHealthcare Medicare Advantage plans (national). Medicaid, commercial, and other lines are separate entries.
- Standard filing limit
- 365 days
- Counted from
- date of service
- Appeal filing limit
- 365 days
- Appeal window from
- denial date
- Notes
- UHC Medicare Advantage EOC: claims must be submitted within 365 days (12 months) from the date of service. Appeals: Medicare Advantage reconsiderations/appeals may be filed up to 12 months from the initial denial or payment decision (UHC provider appeals page).
No contact information has been verified for this entry yet. AR Guide never publishes guessed numbers, portals or addresses.
Every contact is individually source-tracked and shows the date it was last verified. A green “Verified” badge only appears when a source and verification date exist.
Portal
Not yet published for this entry. Portal capabilities and registration requirements are shown only when the official portal source states them.
Referrals
Not yet published for this entry. Referral requirements and retro-referral rules are published only when verified against a source.
Appeals
Not yet published for this entry. Appeal levels, filing channels and external-review options are published only when verified against a source.
Documentation requirements
Not yet published for this entry. Required documentation for appeals and additional-information requests is published only when verified against a source.
- Common CARCs
- 29
- Common RARCs
- MA119N29
- Top reasons
- Timely filing (CARC 29) — UnitedHealthcare (Medicare Advantage) documents a 365-day claim-filing window from the date of service for Medicare Advantage claims (paired RARC MA119: provider-level adjustment for late claim filing).
Recent updates
Change log
- Verified timely filing · Aug 18, 2026UnitedHealthcare — Medicare Advantage Evidence of Coverage (365-day filing window)UnitedHealthcare — Pre/post-service appeals and reconsiderations (12-month MA window)
- Verified denial patterns · Aug 18, 2026UnitedHealthcare — Medicare Advantage Evidence of Coverage (365-day filing window)UnitedHealthcare — Pre/post-service appeals and reconsiderations (12-month MA window)
- Entry last reviewed · Aug 18, 2026UnitedHealthcare — Medicare Advantage Evidence of Coverage (365-day filing window)UnitedHealthcare — Pre/post-service appeals and reconsiderations (12-month MA window)
Contact information is provided for reference and is verified against the cited source as of the date shown. Payer contact information may change. Always confirm the appropriate contact for the member's plan and claim.
Source & verification
Directory record
- Geographic scope
- National
- Line of business
- Medicare Advantage
- Last reviewed
- Aug 18, 2026
- Verified by
- AR Guide team
- UnitedHealthcare — Medicare Advantage Evidence of Coverage (365-day filing window) — https://www.uhc.com/medicare
- UnitedHealthcare — Pre/post-service appeals and reconsiderations (12-month MA window) — https://www.uhcprovider.com/en/claims-payments-billing/appeals.html