This is the CodeSystem that contains all the codes in AllergyIntolerance substance exposure risk codesystem (http://hl7.org/fhir/allerg-intol-substance-exp-risk) and AllergyIntolerance substance exposure risk codesystem (http://hl7.org/fhir/allerg-intol-substance-exp-risk). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem a5a1ab3a-6b26-429c-931f-acd44a24df57-2
This code system http://hl7.org/fhir/comparison/CodeSystem/a5a1ab3a-6b26-429c-931f-acd44a24df57-2 defines codes, but no codes are represented here