This is the ValueSet that contains all the codes in All Valid Reasons for Ordering a Lab Service (http://fhir.ch/ig/ch-lab-order/ValueSet/reasons-for-order) and All Valid Reasons for Ordering a Lab Service (http://fhir.ch/ig/ch-lab-order/ValueSet/reasons-for-order). E.g. what you have to deal with if you get resources containing codes in either of them