← Back to Code Directory
RARC
MA51
RARC
Authorization
Quick Facts
Code
MA51
Type
RARC
Category
Authorization
Status
Deactivated (historical)
What Does This Code Mean?
The claim is missing, incomplete, or has an invalid CLIA certification number for laboratory services billed by physician office laboratory. This code was deactivated by X12 (as of 02/05/2005). See: MA120.
Recommended Next Steps
- This is a historical/deactivated code — no longer used on current claims. If seen on an old remittance, refer to the replacement code noted above where available.
Recently Viewed
Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.