ICDO: International Classification of Diseases Ontology
ICDO is an ontology representation of ICD. This ICD ontology (ICDO)logically represent ICD terms and their relations with anatomic entities, qualities, etc. Different from other disease ontologies, all ICD diseases are defined disease processes in ICDO. The current ICDO focuses on English and Chinese representation. ICDO can identify and standardize local ICD versions and will be used to integrate ICD related data.