CO-296: Authorization Valid But Does Not Apply to Provider
CO-296 means your practice bears the cost of the authorization mismatch. Get the authorization corrected to match your provider NPI and resubmit. Do not post as a contractual adjustment.
What Does CO-296 Mean?
When CARC 296 appears with CO, the payer holds the provider responsible for the authorization mismatch. The provider used an authorization that does not apply to them, and the cost of the denial falls on the provider. The provider must resolve the authorization issue before the claim can be reprocessed.
When CARC 296 appears on your remittance, the payer is telling you that the precertification, authorization, notification, or pre-treatment number you submitted with the claim is technically valid in their system, but it is not associated with your provider record. The authorization exists, but it was issued for a different provider than the one who billed the claim.
This situation commonly arises when a patient receives an authorization through one provider but then receives treatment from a different provider. For example, a PCP may obtain a precertification for a procedure, but the patient sees a specialist whose NPI is different from the one on the authorization. It also occurs when a provider changes practice locations, merges with another group, or when the authorization was obtained under a group NPI but billed under an individual NPI.
Unlike codes that indicate no authorization exists, CARC 296 confirms the authorization is valid. The issue is purely a mismatch between the authorized provider and the billing provider. This distinction is important because it means the service was already deemed medically appropriate by the payer, and the fix typically involves correcting the provider association rather than obtaining entirely new authorization.
Common Causes
| Cause | Frequency |
|---|---|
| Authorization issued to different provider The precertification or authorization number was obtained by or issued to a different provider than the one who rendered and billed the services | Most Common |
| Provider transferred authorization not updated The patient's care was transferred to a different provider but the authorization was not updated to reflect the new rendering provider | Common |
| Wrong provider NPI associated with authorization The authorization was issued under a different provider NPI than the one submitting the claim | Common |
| Group vs individual provider mismatch The authorization was issued under a group NPI but the claim was submitted under an individual provider NPI or vice versa | Occasional |
| Authorization obtained but provider not eligible for plan The authorization is valid but the rendering provider is not contracted or enrolled with the payer | Occasional |
How to Resolve
- Check the authorization details Verify which provider NPI the authorization is tied to. If it should be your NPI, contact the payer to request a correction.
- Obtain or update authorization Get the authorization reissued under the correct billing provider NPI and resubmit the claim.
- Write off only as last resort If the authorization cannot be corrected and the appeal is exhausted, write off the balance. Do not transfer the CO-296 amount to the patient.
File an appeal with documentation showing the authorization should apply to the billing provider, including the original authorization, provider enrollment confirmation, and any documentation showing the authorization was intended for or transferable to the billing provider.
Common RARC Pairings
The RARC code tells you exactly what triggered the CO-296:
| RARC | Description |
|---|---|
| N386 | Alert: The authorization does not apply to the billing/rendering provider. Obtain a new authorization under the correct provider or verify the provider's enrollment with the payer → |
| N381 | Alert: Consult your contractual agreement for restrictions, billing, and payment information. Review the payer's authorization-provider matching requirements → |
How to Prevent CO-296
- Always verify that the authorization is issued under the correct billing provider NPI before rendering services
- Confirm authorization details including covered provider, service dates, and procedure codes at time of scheduling
- Implement an authorization verification checklist that includes provider NPI matching
General Prevention
- Verify that authorizations are obtained under the correct rendering provider's NPI before services are rendered
- Ensure provider network participation status is current with the payer
- Obtain new authorizations when patient care is transferred between providers
- Train staff on matching authorizations to the correct provider for each claim
- Implement pre-submission checks to verify authorization-provider alignment
Also Filed As
The same CARC 296 may appear with different Group Codes:
Related Denial Codes
Sources
- https://www.mdclarity.com/denial-code/296
- https://resdac.org/sites/datadocumentation.resdac.org/files/Adjustment%20Reason%20Code%20Code%20Table%20(TAF%20Claims).txt
- https://x12.org/codes/claim-adjustment-reason-codes
- Codes maintained by X12. Visit x12.org for official definitions.