This is the ValueSet that contains all the codes in Body Position value set (https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-body-position) and Body Position value set (https://hl7.fr/ig/fhir/core/ValueSet/fr-core-vs-body-position). E.g. what you have to deal with if you get resources containing codes in either of them