Missing/incomplete/invalid billing provider/supplier primary identifier.
Code type
RARC (Remark)
Category
Missing Info
Common CARC pairings
RARC N257 appears with a Claim Adjustment Reason Code (CARC) on the 835 electronic remittance advice and gives more detail about the adjustment. These are the CARCs most often paired with RARC N257.
| CARC | Meaning |
|---|---|
| 16 | Claim/service lacks information or has submission/billing error(s). Usage: Do not use this code for claims attachment(s)/other documentation. At least one Remark Code must be provided (may be comprised of either the NCPDP Reject Reason Code, or Remittance Advice Remark Code that is not an ALERT.) Refer to the 835 Healthcare Policy Identification Segment (loop 2110 Service Payment Information REF), if present. |
| 206 | National Provider Identifier - missing. |
| 207 | National Provider identifier - Invalid format. |
| 208 | National Provider Identifier - Not matched. |
See the full resolution workflow for RARC N257
Members of the EDI-Code Intelligence Lab get the step-by-step rework path, appeal language, root-cause drivers, and prevention checklist for every RARC and CARC pairing, plus payer-specific requirements.
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