http://hl7.org/fhir/StructureDefinition/unsignedInt|4.0.1

Base StructureDefinition for unsignedInt type: An integer with a value that is not negative (e.g. >= 0)
NameFlagsCardTypeDescription & Constraints
unsignedInt
0..*Primitive Type unsignedInt
 
value
0..1http://hl7.org/fhirpath/System.StringPrimitive value for unsignedInt