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The Disease ontology can be downloaded using one of the following methods:

OBO Foundry

The OBO Foundry host a version of the Disease Ontology less than 24 hours out of date.


The Disease Ontology Github repository. DO production activities have moved to GitHub. DO will continue to maintain our Sourceforge site. DO's HumanDO.obo file will be synched between GitHub and Sourceforge.

GitHub Human Disease Ontology GitHub doid-non-classified.obo

DO files now contain axioms to UBERON anatomy terms

Directory for doid.owl and doid.obo files

DO slim files in Github

DO Subsets


The latest and most up to date version of the Disease Ontology may be obtained from our Sourceforge site.

svn checkout svn:// diseaseontology

The DO's HumanDO.obo file may be downloaded using the Sourceforge web interface: