CMS 2026 Alert: Quarterly ICD-10-CM & NCCI updates active.
About Us Editorial Policy Contact RCM Team
🔍 Quick Search
CO-207 - Denial Journal
CARC CO — Contractual Obligation

CO-207

National Provider Identifier — invalid format

What This Code Means

The NPI submitted doesn’t match the required 10-digit format.

Common Causes

  • Typo or extra/missing digit in the NPI field
  • Wrong identifier type submitted in the NPI field

How to Resolve or Appeal

  1. Verify the correct 10-digit NPI and resubmit

Related Codes

CO-206 CO-208

More Denial Codes to Check

CARC CO-D3 RARC MA58 CARC CO-17 RARC MA114 RARC N80 CARC CO-10 Diagnosis inconsistent with the patient's gender RARC M64 RARC MA70 RARC M31 RARC M77 RARC MA27 RARC MA43 RARC M101

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

🏠 Home 🔍 Lookup 📋 Appeals 📖 Guides
Scroll to Top