Generated Narrative: NamingSystem FDDC Summary Defining URL http://terminology.hl7.org/NamingSystem/FDDC Version 2.1.0 Name FDDC Title First DataBank Drug Codes Status retired Definition First DataBank Drug Codes Identifiers Type Value Preferred OID 2.16.840.1.113883.6.64 true URI http://terminology.hl7.org/CodeSystem/FDDC true