Official CARC description: “Benefit maximum for this time period or occurrence has been reached.” Here’s what it actually means, why it fires, and how to get the claim paid.
The patient exhausted a capped benefit — therapy visit caps, annual dollar maximums, or per-occurrence limits. Verify the payer's counting before shifting liability.
Liability group: CO = Contractual Obligation — the provider absorbs it — the amount cannot be billed to the patient. If the denial is wrong, the money is recovered by correcting or appealing the claim, not by balance-billing.
Request the benefit accumulator detail — what claims consumed the max
If duplicates or other-provider errors inflate it: dispute the accumulator
Medicare therapy: append the KX modifier when medically necessary above threshold
If genuinely exhausted: bill the patient with the plan's member-liability rules
Appealable on two fronts: accumulator errors (attach the corrected count) and medical-necessity exceptions above caps where the plan or Medicare allows (KX pathway, plan exception process).
Fill in the denial facts — use placeholders, never real patient data (the letter keeps [PATIENT NAME]-style fields so you can merge real details privately). A payer-ready draft with an enclosure checklist comes back in ~20 seconds.
Your appeal letter draft will appear here.
Benefit maximum for this time period or occurrence has been reached. In practice: The patient exhausted a capped benefit — therapy visit caps, annual dollar maximums, or per-occurrence limits. Verify the payer's counting before shifting liability.
CO stands for Contractual Obligation — the provider absorbs it — the amount cannot be billed to the patient. If the denial is wrong, the money is recovered by correcting or appealing the claim, not by balance-billing.
Appealable on two fronts: accumulator errors (attach the corrected count) and medical-necessity exceptions above caps where the plan or Medicare allows (KX pathway, plan exception process).