Quick Explanation
Denial code CO-24 indicates that the billed services are covered under a capitation agreement or managed care plan, meaning the provider receives a fixed monthly fee to cover these services rather than a separate fee-for-service payment. Because the service is bundled into the pre-negotiated capitation rate, the insurance payer will not issue an additional reimbursement for the claim.
Common Causes for CO-24
Denials with code CO-24 typically happen for the following specific reasons:
- Billing routine or preventative services that are explicitly included in the provider's capitated contract as part of the primary care bundle.
- Incorrect provider profiling or roster misalignment, where a specialist is billed as a Primary Care Physician (PCP) subject to capitation.
- Failing to identify and distinguish 'carve-out' services (which should be paid fee-for-service) from capitated services prior to claim submission.
- Submitting claims under a provider NPI or Tax ID that is contractually designated as capitated for that specific managed care plan.
How to Prevent CO-24 Denials
To avoid receiving this denial in the future, implement these specific checks:
- Establish and regularly update a contract matrix within the practice management system to clearly define capitated CPT codes versus fee-for-service carve-outs.
- Implement real-time eligibility verification to confirm the patient's managed care plan structure and check whether the rendering provider is on the patient's capitated panel.
- Configure billing system rules to route capitated services to 'encounter-only' billing rather than generating standard fee-for-service claims.
- Perform quarterly roster audits with payers to ensure provider credentials, taxonomy codes, and contract types (PCP vs. Specialist) are correctly loaded.
Appeal Letter Template for CO-24
If you believe this claim was denied incorrectly, you can use the following template to submit an appeal.
[Your Practice Header]
[Date]
[Payer Name]
[Appeals Department Address]
RE: Appeal for Claim [Claim Number]
Patient: [Patient Name]
ID: [Patient ID]
Date of Service: [Date]
Denial Code: CO-24 - Charges are covered under a capitation agreement/managed care plan
Dear Appeals Department,
I am writing to appeal the denial of the above-referenced claim, which was denied with code CO-24: "Charges are covered under a capitation agreement/managed care plan".
We are formally appealing the denial of this claim under denial code CO-24 (Charges covered under capitation agreement). A comprehensive review of our participating provider agreement with your organization demonstrates that the billed service, represented by CPT code [Insert CPT Code], is explicitly excluded from the capitation bundle and is designated as a 'carve-out' service eligible for fee-for-service reimbursement. Furthermore, in accordance with CMS Medicare Managed Care Manual guidelines and AMA coding standards, services rendered outside the scope of the capitated primary care contract must be processed and paid separately. We kindly request that you review the contract terms for this specific procedure code and reprocess this claim for immediate payment.
Attached please find:
1. A copy of the original claim.
2. The relevant medical records supporting the service.
3. [Any other supporting documents].
We respectfully request that you reprocess this claim for payment.
Sincerely,
[Your Name]
[Title]
[Practice Name]
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