Timely Filing Appeal Letter Template (Late Claim Denial) Free Example + AI Version

[Practice Letterhead]

Date:

Payer Name:
Payer Address:

Re: Timely Filing Appeal
Patient Name:
DOB:
Member ID:
Claim Number:
Date of Service:

To Whom It May Concern:

We are writing to formally appeal the denial of the above-referenced claim for timely filing.

The claim for Date of Service [DOS] was originally submitted on [original submission date], which falls within the payer's contractual filing limit.

Supporting documentation demonstrates:

• Proof of original submission (clearinghouse report or EDI confirmation)
• Rejection report (if applicable)
• Claim resubmission timeline
• Explanation of delay (if applicable)

If the claim was delayed due to coordination of benefits, system processing errors, or payer-specific delays, documentation is enclosed to support this timeline.

Based on the attached evidence, we respectfully request reconsideration and reprocessing of this claim.

Sincerely,

Provider Name:
NPI:
Practice Contact Information: