This is the CodeSystem that contains all the codes in AllergyIntoleranceSubstanceExposureRisk (http://terminology.hl7.org/CodeSystem/allerg-intol-substance-exp-risk) and AllergyIntoleranceSubstanceExposureRisk (http://terminology.hl7.org/CodeSystem/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 d90c6776-070a-4707-b535-0a35f2e2298a-584
This code system http://hl7.org/fhir/comparison/CodeSystem/d90c6776-070a-4707-b535-0a35f2e2298a-584 defines codes, but no codes are represented here