This is the ValueSet that contains all the codes in IEEE 11073-10103 Device Type (http://hl7.org/fhir/uv/cardx-cied/ValueSet/11073-10103-DeviceType) and MDC IDC Device Types (http://hl7.org/fhir/uv/cardx-cied/ValueSet/MDCIDCDeviceTypes). E.g. what you have to deal with if you get resources containing codes in either of them