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