Generated Narrative: NamingSystem FDDX Summary Defining URL http://terminology.hl7.org/NamingSystem/FDDX Version 2.1.0 Name FDDX Title First DataBank Diagnostic Codes Status retired Definition First DataBank Diagnostic Codes Identifiers Type Value Preferred OID 2.16.840.1.113883.6.63 true URI http://terminology.hl7.org/CodeSystem/FDDX true