ICD-9-CM Vol. 1 Diagnostic Codes

9. DISEASES OF THE DIGESTIVE SYSTEM (520-579)

section notes

DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM (530-539)

section notes
530.0530.9   530 Diseases of esophagus
531.00531.91   531 Gastric ulcer
532.00532.91   532 Duodenal ulcer
533.00533.91   533 Peptic ulcer, site unspecified
534.00534.91   534 Gastrojejunal ulcer
539.01539.89   539 Complications of bariatric procedures
535.00535.71   535 Gastritis and duodenitis
536.0536.9   536 Disorders of function of stomach
537.0537.9   537 Other disorders of stomach and duodenum
538538   538 Gastrointestinal mucositis (ulcerative)
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