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M20 - Denial Journal
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RARC

M20

RARC Coding/Modifier
Quick Facts
Code
M20
Type
RARC
Category
Coding/Modifier
Status
Active

Missing/incomplete/invalid HCPCS

What Does This Code Mean?

The HCPCS code on the claim is missing, incomplete, or invalid.

Common Causes

  • HCPCS code retired or updated in an annual code set change
  • Typo in the HCPCS field

Recommended Next Steps

  1. Verify the correct, current HCPCS code for the date of service
  2. Correct and resubmit as a corrected claim

Related Codes

CARC CO-16

More Denial Codes to Check

RARC MA65 RARC M68 CARC CO-282 RARC N4 RARC MA115 RARC N26 RARC M122

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

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