This is the ValueSet that contains all the codes in AdministrativeGender (http://hl7.org/fhir/ValueSet/administrative-gender) and Códigos para sexo biológico en Chile (https://interoperabilidad.minsal.cl/fhir/ig/eis/ValueSet/VSSexoBiologico). E.g. what you have to deal with if you get resources containing codes in either of them