Healthcare Error Code
Healthcare Insurance / Medical Billing
Claim Adjustment Reason Codes (CARC)
CO-29 | Time limit expired
Industry
Healthcare
Canonical
/healthcare/error-codes/co-29/
Last Updated
Feb 25, 2026
Summary
This code indicates that the claim was submitted after the payer’s filing deadline.
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What This Code Means
CO-29 is applied when a claim exceeds the allowed time frame for submission. Filing limits are set by payer policy and contract terms. Once expired, claims are typically not eligible for payment. This is an administrative determination, not a coverage decision. Exceptions are uncommon and payer-specific.
Where Users Usually See This Code
- Remittance advice
- EOB statements
- Claim denial notices
Why This Code Appears
- Late claim submission
- Delays in claim processing
- Filing deadline miscalculation
What Typically Happens Next
- The claim is denied
- No payment is issued
- The claim is closed
What This Code Is Not
- It is not a coding error
- It is not a temporary delay
- It is not a coverage exclusion
Troubleshooting Checklist
- □ Review filing deadlines
- □ Monitor submission timelines
- □ Track payer-specific limits
Notes And Edge Cases
Some payers allow extensions under specific circumstances. Secondary claims may follow different timelines.
Related Codes
8 links
- CO-11 CodeDiagnosis inconsistent with procedure
- CO-125 CodeSubmission/billing error
- CO-109 CodeClaim not covered by this payer
- CO-45 CodeCharge exceeds fee schedule
- CO-61 CodeProcedure not covered for age
- CO-128 CodeInvalid billing modifier
- CO-54 CodeMultiple physicians not allowed
- CO-131 CodeClaim-specific negotiated discount
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