This is the ValueSet that contains all the codes in v3 GTS Abbreviation ValueSet (https://terminology.dhp.uz/fhir/core/ValueSet/v3-gts-abbreviation-vs) and v3 GTS Abbreviation ValueSet (https://terminology.dhp.uz/fhir/core/ValueSet/v3-gts-abbreviation-vs). E.g. what you have to deal with if you get resources containing codes in either of them