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 4b6109a3-5cf8-4e39-af1f-08a729b49618-2
This code system http://hl7.org/fhir/comparison/CodeSystem/4b6109a3-5cf8-4e39-af1f-08a729b49618-2 defines codes, but no codes are represented here