Union of http://hl7.org/fhir/uv/ips/ValueSet/allergy-reaction-uv-ips and https://ncez.mzcr.cz/terminology/ValueSet/eHDSIReactionAllergy

This is the ValueSet that contains all the codes in Allergy Reaction - IPS (http://hl7.org/fhir/uv/ips/ValueSet/allergy-reaction-uv-ips) and eHDSI Reaction Allergy (https://ncez.mzcr.cz/terminology/ValueSet/eHDSIReactionAllergy). E.g. what you have to deal with if you get resources containing codes in either of them

CodeSystem

Generated Narrative: ValueSet 6c01ec13-9e2e-44fc-b02a-151ee2fe177e-20

This value set includes codes based on the following rules: