http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-unitOpen|4.0.0-ballot

Indicates whether the list of supported units (conveyed in other extensions) are the exhaustive list from which the user must choose or whether they're able to select alternate codes or specify a string.

Structure JSON Dependencies FHIRSchema Other Versions Dependant (0)Elements Summary

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