US Veterans Health Administration

  Washington, DC, USA    Created on 10/04/16 by root   Last updated 03/14/19 by root

External
Unique numeric indicator from NDF-RT drug information database
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The new Medication Reference Terminology (MED-RT) is the evolutionary successor to the Veterans Health Administration's (VHA) National Drug File-Reference Terminology (NDF-RT). Both are formal ontological representations of medication terminology, pharmacologic classifications, and asserted authoritative relationships between them.