http://hl7.org/fhir/StructureDefinition/Range|5.0.0

Range Type: A set of ordered Quantities defined by a low and high limit.

element_id	types
Range
Range.low	Quantity
Range.high	Quantity
Range
Range.id	http://hl7.org/fhirpath/System.String
Range.extension	Extension
Range.low	Quantity
Range.high	Quantity