Services not documented in patient's medical records.
Group code
CO or PI
Category
Documentation
Risk level
High
Appealable
Yes
Common RARC pairings
RARCs (Remittance Advice Remark Codes) provide the specific reason detail alongside CARC B12 on the 835 electronic remittance. These are the RARCs seen most often with this CARC.
| RARC | Meaning |
|---|---|
| N199 | Additional payment/recoupment approved based on payer-initiated review/audit. |
| N912 | Our records indicate that this beneficiary did not elect hospice. |
See the full resolution workflow for CARC B12
Members of the EDI-Code Intelligence Lab get the step-by-step rework path, appeal language, root-cause drivers, and prevention checklist for every CARC and RARC pairing, plus payer-specific requirements.
Open in EDI Lab