http://hl7.org/fhir/StructureDefinition/iso21090-EN-use|5.2.0

A set of codes advising a system or user which name in a set of names to select for a given purpose.
NameFlagsCardTypeDescription & Constraints
Extension
0..1A | ANON | I | P | R | C | M | ABC | IDE | SYL | OLD | DN | OR | PHON | SRCH | T
 
extension
?..0
 
url
?..?
 
value[x] *
1..? EntityNameUse (required)
 
 
valueCode *
1..?code EntityNameUse (required)