CDISC Glossary v20.0 contains 38 new terms, 34 changes to existing content, including many new, or changes to, existing “clusters” of related terms that, when their definitions are read together, help sharpen the semantic distinctions and optimize effective communication.
Glossary v20.0 can also be found in Excel, text, odm.xml, pdf, html, and OWL/RDF formats, along with CDISC Terminology Changes files on the NCI-EVS website with file date 2025-09-26.
New authoritative sources are referenced within glossary definitions and 7 new sources were added to the References tab this year. Five new Acronyms, Abbreviations & Initials (AAI) were added into Glossary v20.0.
The CDISC Glossary is NOT comprehensive for all words bearing on human health, medicine, or laboratory methods. Please refer to the CDISC SDTM Terminology and CDISC Protocol Terminology for other specific technical terms.