Generated Narrative: NamingSystem UMD Summary Defining URL http://terminology.hl7.org/NamingSystem/UMD Version 2.1.0 Name UMD Title MDNS Status retired Definition MDNS Identifiers Type Value Preferred OID 2.16.840.1.113883.6.75 true URI http://terminology.hl7.org/CodeSystem/UMD true