ICD-10-CM > K00-K95 > K20-K31 > K20 K20 Esophagitis Non-Billable/Non-Specific Use Additional code to identify:alcohol abuse and dependence (F10.-) Type 1 Excludes erosion of esophagus (K22.1-)esophagitis with gastro-esophageal reflux disease (K21.0-)reflux esophagitis (K21.0-)ulcerative esophagitis (K22.1-) Type 2 Excludes eosinophilic gastritis or gastroenteritis (K52.81) Codes K20.0Eosinophilic esophagitisK20.8Other esophagitisK20.80Other esophagitis without bleedingK20.81Other esophagitis with bleedingK20.9Esophagitis, unspecifiedK20.90Esophagitis, unspecified without bleedingK20.91Esophagitis, unspecified with bleeding