ICD-9 code 009.1 for Colitis enteritis and gastroenteritis of presumed infectious origin is a medical classification as listed by WHO under the range -INTESTINAL INFECTIOUS DISEASES (001-009).
Excludes: colitis NOS (558.9)
enteritis NOS (558.9)
gastroenteritis NOS (558.9)
Excludes: diarrheal disease or intestinal infection due to specified organism (001.0-008.8)
diarrhea following gastrointestinal surgery (564.4)
intestinal malabsorption (579.0-579.9)
ischemic enteritis (557.0-557.9)
other noninfectious gastroenteritis and colitis (558.1-558.9)
regional enteritis (555.0-555.9)
ulcerative colitis (556)
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