Union of http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-usagewarning-extension and http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-usagewarning-extension

This is the set of resources that conform to either of the profiles US Public Health Usage Warning Extension (http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-usagewarning-extension) and US Public Health Usage Warning Extension (http://hl7.org/fhir/us/ph-library/StructureDefinition/us-ph-usagewarning-extension). E.g. what you have to deal with if you get resources conforming to one of them

Structure

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. Extension 0..1US Public Health Usage Warning Extension
... url 1..1uriidentifies the meaning of the extension
... value[x] 0..1stringValue of extension

doco Documentation for this format