“Charges are covered under a capitation agreement/managed care plan”
The verbatim definition of CARC 24 from the X12 Claim Adjustment Reason Code set, the standardized codes every insurer uses on EOBs. The letters are the group code. OA: Other Adjustment: usually a coordination-of-benefits or other-payer adjustment.
What it means in plain English
The insurer is saying this service is already paid for under a flat monthly arrangement with your medical group (a capitation agreement), or that your HMO or managed-care plan is the one responsible, not the plan that got this claim. Think of a gym membership: you pay one fee, and the gym doesn't send a separate bill for each visit. The provider sent the claim to the wrong place, or is trying to bill for something the monthly payment already covers. Either way, it is a routing problem between the provider and the plans, not a judgment about your care.
What to check on your EOB
- Whether you're in an HMO or a plan that assigns you to a medical group. If so, that group is usually paid a flat monthly amount for your care and shouldn't bill per visit.
- Whether the provider is inside your assigned group or network. Care from an outside provider without a referral is the most common way this code turns into a real bill.
- Whether the provider is billing you for the denied amount. Under a capitation arrangement, the in-network provider has already been paid.
What to do next
- 1.Call your plan's member line and ask which plan or medical group is responsible for this service. Get the answer in writing if you can.
- 2.Tell the provider's billing office to resubmit the claim to the responsible plan or group.
- 3.If the provider was outside your assigned group and you didn't have a referral, ask your plan about a retroactive referral or an appeal, especially for urgent or emergency care.
- 4.Do not pay a balance for a service the plan says is covered under capitation until the routing question is settled.
Who's responsible
Provider, with the plan; you, only to confirm which plan is responsible. Knowing whether the fix belongs to you, your doctor, or the billing office is half the battle. If it’s the provider’s error, you should not be paying for it.
Want the fundamentals first? Start with how to read an EOB and the 7 most common billing errors. This page is general information about standardized denial codes, not legal or medical advice.
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