CO - Contractual ObligationCoding/Billing

Denial Code CO-207: NPI Invalid

What Does Code 207 Mean?

National Provider Identifier - Invalid format or not a valid NPI. The NPI number submitted is not in the correct format or does not exist in NPPES.

Group Code CO (Contractual Obligation): The provider has agreed to accept the payer's determination. The patient is generally not responsible for this amount.

Why Does This Happen?

Typo in the NPI or using a deactivated NPI.

How to Resolve It

1Verify the NPI at nppes.cms.hhs.gov
2Correct the NPI and resubmit

Related Coding/Billing Codes

Procedure Code Inconsistent with Modifier

CO-4

Missing Information

CO-16

Exact Duplicate Claim

CO-18

Timely Filing Limit Expired

CO-29