This code system
http://hl7.org/fhir/questionnaire-disabled-display defines the following codes:
|
Code
|
Display
|
Definition
|
| hidden
|
Hidden |
The item (and its children) should not be visible to the user at all. |
| protected
|
Protected |
The item (and possibly its children) should not be selectable or editable but should still be visible - to allow the user to see what questions *could* have been completed had other answers caused the item to be enabled. |