Claim adjustment reason code
Denial code CO-B14 meaning
CARC B14, usually seen as CO-B14: Only one visit or consultation per physician per day is covered.
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- Reason code
- CARC B14
- Short name
- One visit per physician per day
- Plain meaning
- Only one visit or consultation per physician per day is covered.
- Group codes
- CO-B14: 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
- Two E/M visits were billed for the same day by the same physician.
What to check before resubmitting
- Combine the visits into one level, or use modifier 25 or 27 when the payer allows.
Related reason codes
Related pages
Questions
What does denial code CO-B14 mean?
Only one visit or consultation per physician per day is covered. This is Rivvi's plain-English summary of CARC B14. X12's exact wording is on x12.org.
How do I fix CO-B14?
Combine the visits into one level, or use modifier 25 or 27 when the payer allows.
Can I bill the patient for CO-B14?
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 B14?
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.