This is the ValueSet that contains all the codes in BRNomeExameLOINC (https://terminologia.saude.gov.br/fhir/ValueSet/BRNomeExameLOINC) and BRNomeExameLOINC (https://terminologia.saude.gov.br/fhir/ValueSet/BRNomeExameLOINC). E.g. what you have to deal with if you get resources containing codes in either of them