http://hl7.org/fhir/StructureDefinition/valueset-deprecated|4.0.1

if ture, indicates that the concept is deprecated from the value set - that is, it should not be used, and is planned to be withdrawn.

element_id	types
Extension
Extension.extension
Extension.url
Extension.value[x]	boolean
Extension
Extension.id	http://hl7.org/fhirpath/System.String
Extension.extension	Extension
Extension.url	http://hl7.org/fhirpath/System.String
Extension.value[x]	boolean