CO-170: Payment Denied for Provider Type
Payment is denied when performed/billed by this type of provider. The payer does not cover this service when rendered by the billing provider's specialty or credential type.
Why Claims Get Denied with CO-170
Denial code CO-170 is triggered when payment is denied when performed/billed by this type of provider. the payer does not cover this service when rendered by the billing provider's specialty or credential type. Understanding the root causes helps prevent future denials and strengthens your appeal when one occurs.
Service billed by a provider type not authorized by the payer for this procedure
Mid-level provider billed a service restricted to physicians
Out-of-scope service for the provider's specialty or license
Payer requires a specific credential type (e.g., MD vs. NP) for the service
How to Appeal CO-170
Verify the provider's enrollment and specialty with the payer. If the provider is qualified to perform the service, provide licensure and credentialing documentation. If the service was supervised by a qualified provider, include the supervising provider's information and resubmit under the correct billing arrangement.
Documentation Required for Appeal
A successful appeal of CO-170 requires thorough documentation. Gather these items before drafting your appeal letter:
Provider licensure and credential documentation
Payer enrollment confirmation for the provider type
Supervision documentation (if applicable)
State scope of practice laws supporting the provider's authority
How to Prevent CO-170 Denials
Verify which provider types are authorized for each procedure under each payer contract. Ensure mid-level providers bill under appropriate supervision arrangements. Check payer-specific provider type restrictions before scheduling services.
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