http://hl7.org/fhir/StructureDefinition/valueset-expand-group|5.2.0

This extension declares a group of concepts that is generated into the ValueSet.expansion.contains hierarchy when the expansion is generated for a UI. THere is no inherent assigned meaning to the hierarchy; it is used to help the user navigate the concepts. Each group has a display and/or a code, and a list of members, which are either concepts in the value set, or other groups (by code).

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

Name	Card	Type	Description & Constraints
Extension	0..*		Defines a hierarchy structure (when in UI mode)
extension	0..1	Extension	Underlying code from the system
extension	?..0
url	?..?	uri
value[x] *	1..?
valueCode *	1..?	code
extension	0..1	Extension	Display for the group
extension	?..0
url	?..?	uri
value[x] *	1..?
valueString *	1..?	string
extension *	1..*	Extension	Codes or other groups in this group
extension	?..0
url	?..?	uri
value[x] *	1..?
valueCode *	1..?	code
url	?..?
value[x]	0..0