CARC 40 Active

CO-40: Charges Do Not Meet Emergent/Urgent Care Qualifications

TL;DR

Provider responsibility — gather documentation and appeal if the denial is in error. The patient is not liable for this amount.

Action
Appeal
Who Pays
Provider
Appeal
Yes
Patient Impact
None
Disclaimer
This content is for informational purposes only and does not constitute professional billing advice. Always verify information against your payer contracts and current coding guidelines. Consult a certified billing specialist for specific claim issues.

What Does CO-40 Mean?

With CO (Contractual Obligation), the CARC 40 denial for charges do not meet emergent/urgent care qualifications is the provider's contractual responsibility. The patient is not liable for this amount. However, the provider may appeal with supporting clinical or administrative documentation if the denial is believed to be in error.

CARC 40 indicates charges do not meet emergent/urgent care qualifications. The payer determined that the service or a portion of it does not meet coverage criteria under the patient's current plan benefits or the applicable coverage rules.

Common scenarios that trigger this adjustment include: patient presented to the ER for a condition the payer determined was not a true emergency; The services did not meet the payer's criteria for urgent care classification; Payer did not apply the prudent layperson standard for emergency determination. The group code paired with CARC 40 determines who bears the financial responsibility — CO places it on the provider as a contractual obligation, PR shifts it to the patient, OA indicates a coordination of benefits or other payer adjustment.

Common Causes

Cause Frequency
Non-emergency ER visit Patient presented to the ER for a condition the payer determined was not a true emergency Most Common
Urgent care level of service not met The services did not meet the payer's criteria for urgent care classification Common
Prudent layperson standard not applied Payer did not apply the prudent layperson standard for emergency determination Common

How to Resolve

  1. Review the denial Examine the CO-40 denial and any RARC codes to understand the specific basis for the coverage determination.
  2. Gather supporting documentation Collect medical records, clinical notes, authorization documents, or other evidence that supports the medical necessity or coverage of the denied service.
  3. File the appeal Appeal citing the federal prudent layperson standard (ACA Section 2719A). Document that a reasonable person with average medical knowledge would have believed the symptoms required emergency care. Include triage notes, presenting symptoms, vital signs, and the patient's subjective complaint at arrival - not the final diagnosis.
  4. Track the appeal outcome Monitor the appeal status and follow up as needed. If denied again, consider further levels of appeal if available.
Appeal Guide

Appeal citing the federal prudent layperson standard (ACA Section 2719A). Document that a reasonable person with average medical knowledge would have believed the symptoms required emergency care. Include triage notes, presenting symptoms, vital signs, and the patient's subjective complaint at arrival - not the final diagnosis.

Common RARC Pairings

The RARC code tells you exactly what triggered the CO-40:

RARC Description
N381 Consult contract/fee schedule for payment information Review the plan's emergency care coverage terms →
N30 Patient not eligible for this service Verify emergency qualification criteria →

How to Prevent CO-40

Also Filed As

The same CARC 40 may appear with different Group Codes:

Related Denial Codes

Sources

  1. https://x12.org/codes/claim-adjustment-reason-codes
  2. https://revenuecyclemgmt.com/claim-adjustment-reason-codes/
  3. https://www.rivethealth.com/blog/carcs-rarcs-claim-adjustment-remittance-advice-codes
  4. Codes maintained by X12. Visit x12.org for official definitions.