This is the ValueSet that contains all the codes in eHDSI Medication Status Reason (http://terminology.ehdsi.eu/ValueSet/eHDSIMedicationStatusReason) and eHDSI Medication Status Reason (http://terminology.ehdsi.eu/ValueSet/eHDSIMedicationStatusReason). E.g. what you have to deal with if you get resources containing codes in either of them