This is the ValueSet that contains all the codes in eHDSI Hospital Discharge Report Type (http://terminology.ehdsi.eu/ValueSet/eHDSIHospitalDischargeReportType) and eHDSI Hospital Discharge Report Type (http://terminology.ehdsi.eu/ValueSet/eHDSIHospitalDischargeReportType). E.g. what you have to deal with if you get resources containing codes in either of them