RARC M20 Active Supplemental
RARC M20: Missing or Invalid HCPCS Procedure Code
What This Means
The HCPCS code on the claim is missing, incomplete, or invalid, so the payer cannot process it. Check the claim for typos, outdated codes, or blank procedure code fields. Correct the HCPCS code using the current code set and resubmit the claim.
Disclaimer
This content is for informational purposes only. Always verify against your payer contracts and current coding guidelines. Commonly Paired With
RARC M20 commonly appears alongside these CARC denial codes:
| Code | Name | |
|---|---|---|
| CO-11 | Diagnosis Inconsistent with Procedure (also OA-11) | → |
| CO-194 | Anesthesia by Operating/Assistant/Attending Physician | → |
| CO-203 | Discontinued or Reduced Service | → |