This is the ValueSet that contains all the codes in Laboratory Code: NPU (http://hl7.eu/fhir/laboratory/ValueSet/lab-obsCode-npu-eu-lab) and Laboratory Code: NPU (http://hl7.eu/fhir/laboratory/ValueSet/lab-obsCode-npu-eu-lab). E.g. what you have to deal with if you get resources containing codes in either of them