CMS 2026 Alert: Quarterly ICD-10-CM & NCCI updates active.
About Us Editorial Policy Contact RCM Team
🔍 Quick Search
Documentation - Denial Journal

← All Denial Codes

Documentation Denial Codes

Browse 24 CARC and RARC codes filed under Documentation.

768
Total Codes
383
CARC Codes
385
RARC Codes

What are you looking for?

Browse denial codes by category.

Authorization 42 codes Coding/Modifier 175 codes Coordination of Benefits 20 codes Documentation 24 codes Duplicate/Timely Filing 4 codes Eligibility 30 codes General 364 codes Informational Alert 45 codes Medical Necessity 18 codes Non-Covered 46 codes

Search the Denial Code Library

Enter a CARC, RARC, or keyword above to find related denial information.

Try: CO-45 · duplicate · eligibility · authorization

All Codes in This Category

CARC CO-163 Attachment/other documentation referenced on the claim was not received Documentation → CARC CO-164 Attachment/other documentation referenced on the claim was not received in a timely fashion Documentation → CARC CO-246 Documentation → CARC CO-252 An attachment/other documentation is required to adjudicate this claim/service Documentation → CARC CO-79 Documentation → CARC CO-B12 Documentation → CARC CO-D19 Documentation → CARC CO-D6 Documentation → RARC M113 Documentation → RARC M95 Documentation → RARC M98 Documentation → RARC MA21 Documentation → RARC MA47 Documentation → RARC MA56 Documentation →

Denial Workflow

Denial Received → Identify Code → Understand Reason → Check Claim → Correct / Appeal → Resubmit
🏠 Home 🔍 Lookup 📋 Appeals 📖 Guides
Scroll to Top