If set to true, it means that the system displaying the form (or the individual encoding the form for data capture) can choose to omit the question from display to the user.
Validate
API
Project FHIR API
The project FHIR API endpoint is not yet available for DSTU2 FHIR version.
Simplifier FHIR API
The global FHIR API endpoint is not yet available for DSTU2 FHIR version.