Claim adjustment reason code
Denial code CO-148 meaning
CARC 148, usually seen as CO-148: Information needed from another provider was not sent or was incomplete.
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- Reason code
- CARC 148
- Short name
- Information from another provider missing
- Plain meaning
- Information needed from another provider was not sent or was incomplete.
- Group codes
- CO-148: 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 payer needs the ordering or referring provider's records.
What to check before resubmitting
- Get the records from the other provider and send them.
Related reason codes
Related pages
Questions
What does denial code CO-148 mean?
Information needed from another provider was not sent or was incomplete. This is Rivvi's plain-English summary of CARC 148. X12's exact wording is on x12.org.
How do I fix CO-148?
Get the records from the other provider and send them.
Can I bill the patient for CO-148?
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 148?
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.