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National Drug File - Reference Terminology
Last uploaded:
July 6, 2018
| Acronym | NDFRT |
| Visibility | Public |
| Description | National Drug File - Reference Terminology Public Inferred Edition, 2008_03_11 |
| Status | Production |
| Format | UMLS |
| Contact | Michael J. Lincoln MD, michael.lincoln@va.gov |
| Categories | Health |
| Groups | Unified Medical Language System | License Information | This ontology is made available via the UMLS. Users of all UMLS ontologies must abide by the terms of the UMLS license. |
| Version | Released | Uploaded |
|---|---|---|
| 2018AA (Parsed, Indexed, Metrics, Annotator, Error Diff) | 05/07/2018 | 07/06/2018 |
| 2017AB (Archived) | 11/06/2017 | 07/06/2018 |
| 2017AA (Archived) | 05/08/2017 | 04/06/2018 |
| 2016AB (Archived) | 02/06/2017 | 02/06/2017 |
| 2016AA (Archived) | 09/06/2016 | 09/06/2016 |
| 2015AB (Archived) | 07/20/2016 | 07/20/2016 |
| 2015AA (Archived) | 06/09/2015 | 06/09/2015 |
| 2014AB (Archived) | 01/29/2015 | 01/29/2015 |
| 2014AA (Archived) | 05/28/2014 | 05/28/2014 |
| 2013AB (Archived) | 02/18/2014 | 02/18/2014 |
| 2013AA (Archived) | 01/14/2014 | 01/14/2014 |
| 2013AA (Archived) | 05/08/2013 | 09/25/2013 |
| 2008_03_11 (Archived) | 03/11/2008 | 07/31/2009 |
| more... | ||
- National Drug File – Reference Terminology
- Logically inferred version in OWL of the National Drug File – Reference Terminology (NDF-RT). NDF-RT is the terminology used by FDA and the FedMed collaboration to code these essential pharmacologic properties of medications: Mechanism of Action, Physiologic Effect, Structural Class.
| Classes | 36,202 |
| Individuals | 0 |
| Properties | 53 |
| Maximum depth | 11 |
| Maximum number of children | 953 |
| Average number of children | 3 |
| Classes with a single child | 4,051 |
| Classes with more than 25 children | 87 |
| Classes with no definition | 36,171 |