CARC 1 – Deductible Amount

What it means

This code means the amount billed (or a portion of it) was applied to the patient's deductible rather than being paid by the insurance plan. It's not a denial of the service itself — it's an explanation that the patient's plan requires them to meet a deductible before the payer starts covering costs, and this charge counted toward that amount.

Common causes

Patient has not yet met their annual deductible for the plan year
Service was correctly processed and applied to an unmet or partially met deductible
Plan has a high-deductible structure and the claim falls early in the benefit period
Deductible reset at the start of a new plan year and patient has not yet accrued payments toward it

How to fix it

Verify the payer's remittance advice to confirm the exact dollar amount applied to the deductible
Check the patient's current deductible status (met/unmet) via the payer portal or eligibility check
Bill the patient for the deductible portion per your financial policy, since this is patient responsibility, not a payer error
Confirm the deductible amount matches the patient's plan benefits to rule out processing errors
If the deductible amount seems incorrect (e.g., wrong plan year or duplicate deductible application), contact the payer to request a review

Appeal / resubmit

This is typically not an appealable denial since it reflects standard plan benefit design rather than a coverage denial. However, if you believe the deductible was miscalculated, applied to the wrong plan year, or the patient's deductible was already met based on other claims, you can request a reprocessing review from the payer with supporting eligibility or claims history documentation.

Related codes

Frequently asked

Does CARC 1 mean the claim was denied?

No. It means the charge was processed and applied to the patient's deductible, which is a normal part of how many insurance plans work, not a rejection of the service.

Who is responsible for paying this amount?

Typically the patient is responsible for the deductible amount, per their plan terms, unless your practice has a different financial policy in place.

Can this amount change later in the year?

Yes. Once the patient meets their deductible, subsequent claims may be paid differently by the plan, subject to coinsurance or copay terms.

More free billing tools: all denial codes · denial lookup · Medicare fee calculator

This content is informational only and does not constitute billing or legal advice. Always verify with current payer policies and official CARC/RARC code lists.