http://hl7.org/fhir/StructureDefinition/questionnaire-optionPrefix|5.2.0

The label to list in front of a code when presenting a list of possible values in a questionnaire-like fashion.
NameFlagsCardTypeDescription & Constraints
Extension
0..1E.g. \"(a)\", \"1.\", etc.
 
extension
?..0
 
url
?..?
 
value[x] *
1..?
 
 
valueString *
1..?string