Claim adjustment reason code

Denial code CO-32 meaning

CARC 32, usually seen as CO-32: The payer's records do not show the patient as a covered dependent.

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Reason code
CARC 32
Short name
Not an eligible dependent
Plain meaning
The payer's records do not show the patient as a covered dependent.
Group codes
CO-32: Contractual obligation. The provider absorbs the amount under its contract or the payer's rules. Do not bill the patient for it.

Plain-English summary written by Rivvi. X12 owns the CARC list and its exact wording, which is not reproduced here. Read it on the X12 CARC list (list dated November 1, 2025, checked October 23, 2026). This page does not decide how a claim is paid.

Common causes

  • The dependent was not added to the policy, or aged out.
  • The subscriber and patient were swapped on the claim.

What to check before resubmitting

  1. Check the subscriber and patient relationship on the claim.
  2. Confirm dependent coverage with the payer.

Related reason codes

Related pages

Questions

What does denial code CO-32 mean?

The payer's records do not show the patient as a covered dependent. This is Rivvi's plain-English summary of CARC 32. X12's exact wording is on x12.org.

How do I fix CO-32?

Check the subscriber and patient relationship on the claim. Confirm dependent coverage with the payer.

Can I bill the patient for CO-32?

With group code CO, no. CO means the provider absorbs the amount under its contract or the payer's rules.

Which group codes come with CARC 32?

Most often CO (contractual obligation). The group code, not the reason code, says who owes the amount.

What is the difference between a CARC and a RARC?

A claim adjustment reason code (CARC) says why a claim line was paid differently than billed. A remittance advice remark code (RARC) adds detail, such as which field is missing.

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