NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..* Extension Phenotype Modifier
... extension 0..0
... url 1..1 uri "https://github.com/BIH-CEI/RareLink/StructureDefinition/phenotype-modifier"
... value[x] 0..1 CodeableConcept Value of extension
.... coding 1..1 Coding Code defined by a terminology system
..... code S 0..1 code Symbol in syntax defined by the system

doco Documentation for this format