This is the ValueSet that contains all the codes in MHD List Types ValueSet (https://profiles.ihe.net/ITI/MHD/ValueSet/MHDlistTypesVS) and MHD List Types ValueSet (https://profiles.ihe.net/ITI/MHD/ValueSet/MHDlistTypesVS). E.g. what you have to deal with if you get resources containing codes in either of them