CARCContractual Obligation

CARC 185: Do not resubmit; we will reprocess this claim after the contract is finalized

Your insurer is asking you to wait — the provider's contract is being resolved and the claim will be reprocessed automatically.

What this means for your claim

This code appears during contract disputes between the insurer and provider. No action is needed from you immediately, but you should monitor the claim.

What to do next

  1. 1

    Note the date and follow up with your insurer in 30–45 days if no reprocessed EOB arrives.

  2. 2

    Do not pay the provider for this service while the contract dispute is active.

  3. 3

    If the provider sends you to collections during this period, notify your insurer and request a hold.

How to handle a contractual-obligation adjustment

Contractual Obligation (CO) codes describe the part of a claim that is governed by the contract between your insurer and the provider. In most cases the adjustment itself is legitimate — it reflects the agreed network discount, your deductible, your coinsurance, or your copay. The money you should focus on is the patient-responsibility line, because that is the amount you can actually verify, dispute, or have reprocessed.

Confirm the math against your plan documents

Pull your Summary of Benefits and Coverage and your member-portal accumulators. Check that the allowed amount matches the in-network contracted rate and that your deductible, coinsurance, or copay was applied at the correct stage. A surprising number of patient-responsibility errors come from accumulators that didn't update after a prior claim.

Check whether your out-of-pocket maximum was reached

Once you hit your annual out-of-pocket maximum, your coinsurance and copays for covered, in-network services should drop to $0. If an EOB still shows patient responsibility after you've met that limit, call member services and ask for the claim to be reprocessed against your accumulator.

Make sure the service was coded the way it actually happened

A visit coded as a higher-complexity level, or a preventive screening miscoded as a diagnostic (sick) visit, can shift cost onto you. Request an itemized bill, compare the CPT codes to what you actually received, and ask the provider's billing office to correct and rebill any mismatch before you pay.

Your appeal rights for CARC 185

If you believe a contractual adjustment was applied incorrectly — wrong network status, wrong accumulator, or a coding error — start with the provider's billing office for coding issues and your insurer's member services for benefit-application issues. If they disagree, you have the right under the Affordable Care Act to a formal internal appeal, and if that's denied, an independent external review.

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