CO-170 DENIAL CODE GUIDE

1. CO-170 Denial Code Complete Guide Website: https://imedclaims.com/Email: info@imedclaims.com

2. CO-170 Denial Code Overview • • CO-170 indicates payment denied due to provider type • • Service may be valid but provider not eligible per payer policy • • Commonly linked with RARC N95 • Learn more: https://imedclaims.com/co-170-denial-code/

3. What Triggers CO-170 Denials • • Provider type not allowed for billed CPT/HCPCS • • Credentialing or enrollment gaps • • Taxonomy or specialty mismatch

4. Other Common Causes • • Incident-to or supervision rules not met • • State scope-of-practice restrictions • • Payer policy misapplication

5. Impact on Reimbursement • • Payment delays or complete denials • • Increased appeals and rework • • Revenue loss if not resolved timely

6. How to Fix CO-170 Denials • • Review ERA/835 codes and policy references • • Verify provider enrollment and taxonomy • • Correct and resubmit or appeal with documentation

7. Prevention Best Practices • • Maintain provider-type vs CPT matrix • • Audit CAQH and NPPES data regularly • • Use claim scrubbers and payer-specific edits