K22.0 Achalasia of cardia

K22.1

Ulcer of esophagus

K22.2 Esophageal obstruction

K22.3 Perforation of esophagus

K22.4 Dyskinesia of esophagus

K22.6

Gastro-esophageal laceration-hemorrhage syndrome (MALLORY-WEISS SYNDROME)

K22.7

Barrett's esophagus

K22.8

Other specified diseases of esophagus

K22.9

Disease of esophagus, unspecified

K31.0

Acute dilatation of stomach

K31.1

Adult hypertrophic pyloric stenosis

K31.2 Hourglass stricture & stenosis of stomach

K31.3 Pylorospasm, not elsewhere classified

K31.4

Gastric diverticulum

K31.5 Obstruction

of duodenum

K31.6

Fistula of stomach & duodenum

K31.7

Polyp of stomach & duodenum

K31.8

Other specified diseases of stomach & duodenum

K31.9 Disease of stomach & duodenum, unspecified