This is the ValueSet that contains all the codes in Microbiological Procedure (http://fhir.ch/ig/ch-lab-order/ValueSet/MicrobiolProcedures) and Microbiological Procedure (http://fhir.ch/ig/ch-lab-order/ValueSet/MicrobiolProcedures). E.g. what you have to deal with if you get resources containing codes in either of them