Generated Narrative: NamingSystem MDDX Summary Defining URL http://terminology.hl7.org/NamingSystem/MDDX Version 2.1.0 Name MDDX Title Medispan Diagnostic Codes Status retired Definition Medispan Diagnostic Codes Publisher HL7 International Identifiers Type Value Preferred OID 2.16.840.1.113883.6.65 true URI http://terminology.hl7.org/CodeSystem/MDDX true