Optional
_Optional
_Representation defined by the system
Optional
_Identity of the terminology system
Optional
_If this coding was chosen directly by the user
Optional
_Version of the system - if relevant
Optional
codeSymbol in syntax defined by the system
Optional
displayRepresentation defined by the system
Optional
extensionAdditional content defined by implementations
Optional
idUnique id for inter-element referencing
Optional
systemIdentity of the terminology system
Optional
userIf this coding was chosen directly by the user
Optional
versionVersion of the system - if relevant
Symbol in syntax defined by the system