Claim adjustment reason code
Denial code CO-95 meaning
CARC 95, usually seen as CO-95: A plan rule was not followed for this service.
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- Reason code
- CARC 95
- Short name
- Plan procedures not followed
- Plain meaning
- A plan rule was not followed for this service.
- Group codes
- CO-95: 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
- A plan process, such as a referral or notification step, was missed.
What to check before resubmitting
- Read the remark code and the plan manual.
- Complete the missed step and ask the payer to reprocess, if allowed.
Remark codes that often come with it
Related reason codes
Related pages
Questions
What does denial code CO-95 mean?
A plan rule was not followed for this service. This is Rivvi's plain-English summary of CARC 95. X12's exact wording is on x12.org.
How do I fix CO-95?
Read the remark code and the plan manual. Complete the missed step and ask the payer to reprocess, if allowed.
Can I bill the patient for CO-95?
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 95?
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.