DISEASES OF THE DIGESTIVE SYSTEM 520-579.99 http://purl.bioontology.org/ontology/ICD9CM/520-579.99 SubClass OTHER DISEASES OF DIGESTIVE SYSTEM 570-579.99 http://purl.bioontology.org/ontology/ICD9CM/570-579.99 ChildCount 10 class DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM 530-539.99 http://purl.bioontology.org/ontology/ICD9CM/530-539.99 ChildCount 9 class NONINFECTIOUS ENTERITIS AND COLITIS 555-558.99 http://purl.bioontology.org/ontology/ICD9CM/555-558.99 ChildCount 4 class APPENDICITIS 540-543.99 http://purl.bioontology.org/ontology/ICD9CM/540-543.99 ChildCount 4 class Gastrointestinal mucositis (ulcerative) 538 http://purl.bioontology.org/ontology/ICD9CM/538 ChildCount 0 class OTHER DISEASES OF INTESTINES AND PERITONEUM 560-569.99 http://purl.bioontology.org/ontology/ICD9CM/560-569.99 ChildCount 8 class DISEASES OF ORAL CAVITY, SALIVARY GLANDS, AND JAWS 520-529.99 http://purl.bioontology.org/ontology/ICD9CM/520-529.99 ChildCount 10 class HERNIA OF ABDOMINAL CAVITY 550-553.99 http://purl.bioontology.org/ontology/ICD9CM/550-553.99 ChildCount 4 class CHD DISEASES AND INJURIES 001-999.99 http://purl.bioontology.org/ontology/ICD9CM/001-999.99 ChildCount 17 class ChildCount 8 Semantic_Type Disease or Syndrome TUI T047 UMLS_CUI C0012242 SuperClass DISEASES AND INJURIES 001-999.99 http://purl.bioontology.org/ontology/ICD9CM/001-999.99 ChildCount 17 class class