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ICD-9-CM
9. DISEASES OF THE DIGESTIVE SYSTEM (520-579)
DISEASES OF ESOPHAGUS, STOMACH, AND DUOD...
DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM (530-539)
530 Diseases of esophagus Excludes: esophageal varices (
530.10-530.9
531 Gastric ulcer
531.00-531.91
532 Duodenal ulcer
532.00-532.91
533 Peptic ulcer, site unspecified
533.00-533.91
534 Gastrojejunal ulcer
534.00-534.91
535 Gastritis and duodenitis
535.00-535.61
536 Disorders of function of stomach Excludes: functional disorders of stomach specified as psychogenic (
536.40-536.9
537 Other disorders of stomach and duodenum
537.0-537.9
538 Gastrointestinal mucositis (ulcerative)
538-538
539 Complications of bariatric procedures
539.01-539.89