This is the ValueSet that contains all the codes in Upper gastrointestinal bleed Value Set (http://hl7.org/fhir/uv/pddi/ValueSet/valueset-Hx-UGIB-snomed) and Upper gastrointestinal bleed Value Set (http://hl7.org/fhir/uv/pddi/ValueSet/valueset-Hx-UGIB-snomed). E.g. what you have to deal with if you get resources containing codes in either of them