| K22 | Other diseases of esophagus | NON-BILLABLE CODE |
| K22.0 | Achalasia of cardia | BILLABLE CODE |
| K22.1 | Ulcer of esophagus | NON-BILLABLE CODE |
| K22.10 | Ulcer of esophagus without bleeding | BILLABLE CODE |
| K22.11 | Ulcer of esophagus with bleeding | BILLABLE CODE |
| K22.2 | Esophageal obstruction | BILLABLE CODE |
| K22.3 | Perforation of esophagus | BILLABLE CODE |
| K22.4 | Dyskinesia of esophagus | BILLABLE CODE |
| K22.5 | Diverticulum of esophagus, acquired | BILLABLE CODE |
| K22.7 | Barrett's esophagus | NON-BILLABLE CODE |
| K22.70 | Barrett's esophagus without dysplasia | BILLABLE CODE |
| K22.71 | Barrett's esophagus with dysplasia | NON-BILLABLE CODE |
| K22.710 | Barrett's esophagus with low grade dysplasia | BILLABLE CODE |
| K22.711 | Barrett's esophagus with high grade dysplasia | BILLABLE CODE |
| K22.719 | Barrett's esophagus with dysplasia, unspecified | BILLABLE CODE |
| K22.8 | Other specified diseases of esophagus | NON-BILLABLE CODE |
| K22.81 | Esophageal polyp | BILLABLE CODE |
| K22.82 | Esophagogastric junction polyp | BILLABLE CODE |
| K22.89 | Other specified disease of esophagus | BILLABLE CODE |
| K22.9 | Disease of esophagus, unspecified | BILLABLE CODE |
