Union of http://hl7.org/cda/stds/core/StructureDefinition/uuid and http://hl7.org/cda/stds/core/StructureDefinition/uuid

This is the set of resources that conform to either of the profiles uuid: DCE Universal Unique Identifier (http://hl7.org/cda/stds/core/StructureDefinition/uuid) and uuid: DCE Universal Unique Identifier (http://hl7.org/cda/stds/core/StructureDefinition/uuid). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. string C0..*Primitive Type string
ele-1: All FHIR elements must have a @value or children
uuid-pattern: Must contain 5 hyphen-separated groups of hexadecimal digits having 8, 4, 4, 4, and 12 places respectively.
... value 0..1stringPrimitive value for string
Max Length: 1048576

doco Documentation for this format