This is the ValueSet that contains all the codes in Valid use values for NHI (https://nzhts.digital.health.nz/fhir/ValueSet/nhi-use-code) and Valid use values for NHI (https://nzhts.digital.health.nz/fhir/ValueSet/nhi-use-code). E.g. what you have to deal with if you get resources containing codes in either of them