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M33 - Denial Journal
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RARC

M33

RARC Coding/Modifier
Quick Facts
Code
M33
Type
RARC
Category
Coding/Modifier
Status
Deactivated (historical)

What Does This Code Mean?

The claim is missing, incomplete, or has an invalid UPIN for the ordering/referring/performing provider. This code was deactivated by X12 (as of 08/01/2004). See: M68.

Recommended Next Steps

  1. 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.

More Denial Codes to Check

CARC CO-207 RARC MA43 RARC M51 CARC CO-9 RARC N42 CARC CO-240 CARC CO-16 RARC MA100 RARC N60

Educational reference only — not medical or legal advice. Always confirm code usage and appeal rights with the specific payer.

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