Union of http://hl7.org/fhir/us/bfdr/StructureDefinition/Extension-encounter-maternity-reference and http://hl7.org/fhir/us/bfdr/StructureDefinition/Extension-encounter-maternity-reference

This is the set of resources that conform to either of the profiles Extension - Encounter Maternity Reference (http://hl7.org/fhir/us/bfdr/StructureDefinition/Extension-encounter-maternity-reference) and Extension - Encounter Maternity Reference (http://hl7.org/fhir/us/bfdr/StructureDefinition/Extension-encounter-maternity-reference). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraintsdoco
.. Extension 0..*left: Extension; right: Extension - Encounter Maternity Reference
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... extension 0..*Extensionleft: Additional content defined by implementations; right: Extension
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... url 1..1uriidentifies the meaning of the extension
... value[x] 0..1Reference(Encounter - Maternity | #sd-Encounter-maternity-Encounter-maternity)Value of extension
ele-1: All FHIR elements must have a @value or children

doco Documentation for this format