A disorder characterized by a circumscribed, inflammatory and necrotic erosive lesion on the mucosal surface of the stomach.
An ulcerated lesion in the mucosal surface of the stomach. It may progress to involve the deeper layers of the gastric wall.
Ulceration of the gastric mucosa due to contact with gastric juice. It is often associated with helicobacter pylori infection or consumption of nonsteroidal anti-inflammatory drugs (nsaids).
531.9Gastric ulcer unspecified as acute or chronic without mention of hemorrhage or perforation
531.90Gastric ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation, without mention of obstructionconvert 531.90 to ICD-10-CM
531.91Gastric ulcer, unspecified as acute or chronic, without mention of hemorrhage or perforation, with obstructionconvert 531.91 to ICD-10-CM
531 Gastric ulcer 
531.00 Acute gastric ulcer with hemorrhage, without mention of obstruction convert 531.00 to ICD-10-CM
