http://hl7.org/fhir/StructureDefinition/rendered-value|5.2.0

Provides a rendered version of the value intended for human display. For example, a sensitive identifier (e.g. social security number) partially obscured by asterisks; a drivers licence number with dashes inserted; a date formatted as MMM dd, yyyy; etc.
NameFlagsCardTypeDescription & Constraints
Extension
0..1What should be displayed to human (if default is not appropriate)
 
extension
?..0
 
url
?..?
 
value[x] *
1..?
 
 
valueString *
1..?string