Generated Narrative: NamingSystem NHSNOccasionOfDetection Summary Defining URL http://terminology.hl7.org/NamingSystem/NHSNOccasionOfDetection Version 2.1.0 Name NHSNOccasionOfDetection Title NHSN Occasion Of Detection Status retired Definition NHSN Occasion Of Detection Identifiers Type Value Preferred OID 2.16.840.1.113883.6.273 true URI http://terminology.hl7.org/CodeSystem/NHSNOccasionOfDetection true