http://hl7.org/fhir/StructureDefinition/identifier-checkDigit|5.2.0

allow for a check digit and a check digit scheme to be conveyed as part of Identifier. The rules of the ID Type determine if the check digit is part of the ID value or sent separately.

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

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