Optional
_allergenicOptional
_alternateIndicates an alternative material of the device
Optional
allergenicWhether the substance is a known or suspected allergen
Optional
alternateIndicates an alternative material of the device
Optional
extensionAdditional content defined by implementations
Optional
idUnique id for inter-element referencing
Optional
modifierExtensions that cannot be ignored even if unrecognized
The substance
Whether the substance is a known or suspected allergen