About DenialCode Pro
Fast claim lookup & appeal solutions
DenialCode Pro is a free programmatic reference directory for medical billing denial and adjustment codes. Our mission is to help medical billing professionals, coders, and revenue cycle teams quickly understand why a claim was denied or adjusted — and exactly what steps to take to fix or appeal it.
Every code page includes the official problem description, a structured actionable solution, and related codes for easy navigation. We index 311 codes and counting, with real-time search so you can find the answer you need in seconds.
Fast Lookup
Real-time search across every indexed code so you find answers instantly.
Comprehensive
Official problem descriptions and step-by-step solutions for each code.
Trustworthy
Reference information sourced from standard billing code sets, clearly disclaimed.
Contact Us
Have a question, correction, or code suggestion? We'd love to hear from you.