This is the ValueSet that contains all the codes in HUGO Gene Nomenclature Committee Gene Names (HGNC) (https://nhicore.nhi.gov.tw/ngs/ValueSet/hgnc-vs) and HUGO Gene Nomenclature Committee Gene Names (HGNC) (https://nhicore.nhi.gov.tw/ngs/ValueSet/hgnc-vs). E.g. what you have to deal with if you get resources containing codes in either of them