835 Denial Combination
CO-20+M115+N211
Contractual Obligation · Service-Line Level Adjustment
What This Combination Means
Beneficiary resides in a Competitive bid area and items are being furnished by a non-contract supplier
N/A
Appeal Success
7-14 days
Avg. Resolution
Medium
Difficulty
No
Appealable
Step-by-Step Resolution
Steps tailored specifically to this CO-20+M115+N211 combination — not generic advice.
- 1
May not appeal this decision
- 2
Beneficiary resides in a Competitive Bid area and must contact a Competitive Bid supplier for item
Specialty Context
How CO-20+M115+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 20
NoridianBeneficiary resides in a Competitive bid area and items are being furnished by a non-contract supplier
How to Prevent CARC 20 Denials
- ✓
If supplier feels this denial was received in error, review CMS DMEPOS Competitive Bidding - Home webpage or Competitive Bidding Implementation Contractor (CBIC) website for Competitive Bid rules and regulations
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