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

DISEASES OF ORAL CAVITY, SALIVARY GLANDS, AND JAWS (520-529)

520.0-528.9
DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM (530-539)

530.0-538
APPENDICITIS (540-543)

540.0-543.9
HERNIA OF ABDOMINAL CAVITY (550-553) Includes: hernia: acquired, congenital, except diaphragmatic or hiatal

550.00-553.9
NONINFECTIOUS ENTERITIS AND COLITIS (555-558)

555.0-558.9
OTHER DISEASES OF INTESTINES AND PERITONEUM (560-569)

560.0-569.9
OTHER DISEASES OF DIGESTIVE SYSTEM (570-579)

570-578.9

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