835 Denial Combination
CO-29+N211
Contractual Obligation · Service-Line Level Adjustment
What This Combination Means
The time limit for filing has expired. Claims must be filed within one year of the date of service. If an act of nature, such as a flood, fire, or there are other circumstances outside of the supplier's control, you can appeal the timely filing, by providing this explanation.
N/A
Appeal Success
7-14 days
Avg. Resolution
Medium
Difficulty
No
Appealable
Step-by-Step Resolution
Steps tailored specifically to this CO-29+N211 combination — not generic advice.
- 1
This denial cannot be appealed unless there was an act of nature, such as a flood, fire, or there are other circumstances outside of the supplier's control, then a Redetermination request may be submitted with all relevant supporting documentation. Noridian encourages Redeterminations/Appeals be submitted using the Noridian Medicare Portal.
Specialty Context
How CO-29+N211 typically presents across different practice types.
Dental
Medical
Behavioral Health
Individual Code References
View the standalone definition for each code in this combination.
Medicare Contractor Guidance for CARC 29
Noridian + uhc + aetna + bcbs_azThe time limit for filing has expired. Claims must be filed within one year of the date of service. If an act of nature, such as a flood, fire, or there are other circumstances outside of the supplier's control, you can appeal the timely filing, by providing this explanation.
How to Prevent CARC 29 Denials
- ✓
Review the date of service prior to submitting the claim. All claims must be filed within one year of the date of service.
- ✓
Reopenings must be submitted one year from initial determination date or after one year from receipt date due to overpayment via clerical error omissions
Need to resolve this denial?
Get a complete resolution plan with appeal guidance for this exact combination in seconds.
Generate a free resolution plan & appeal letter →