Healthcare Error Code
Healthcare Insurance / Medical Billing
Common CMS / Medicare Issues
M176 | Service excluded
Industry
Healthcare
Canonical
/healthcare/error-codes/m176/
Last Updated
Feb 25, 2026
Summary
This code indicates that the billed service is excluded from coverage under the applicable payer policy.
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What This Code Means
M176 is used when a payer determines that a service falls outside covered benefits and is excluded by policy. This is a plan design or program rule, not a billing format issue. The exclusion applies regardless of how the service was billed. The code does not imply that the service was unnecessary or incorrectly performed. Coverage exclusions vary by program and payer.
Where Users Usually See This Code
- Medicare remittance advice
- Explanation of Benefits (EOB)
- Claim denial summaries
Why This Code Appears
- Service is excluded under policy rules
- Program limitations apply
- Coverage restrictions enforced
What Typically Happens Next
- Payment is denied
- Claim processing completes
- Responsibility may transfer per policy
What This Code Is Not
- It is not a documentation error
- It is not a temporary processing hold
- It is not a billing format issue
Troubleshooting Checklist
- □ Review coverage exclusions
- □ Confirm program eligibility
- □ Monitor policy updates
Notes And Edge Cases
Coverage exclusions may differ between programs and plan years. Secondary coverage can affect final responsibility.
Related Codes
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