Denial Code Lookup Tool
Instant reference for medical billing denial codes. Search by code number or description to find causes, solutions, and how to fix any denial.
Medical billing denials cost practices thousands annually. Use this tool to quickly resolve any denial code, then calculate how much revenue you're losing to preventable denials. Need help reducing your denial rate? Learn about our denial management services.
Quick Reference Guide
CO Codes
Contractual Obligation - Provider's responsibility
PR Codes
Patient Responsibility - Bill patient
OA Codes
Other Adjustments - Various reasons
Showing all codes
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