http://hl7.org/fhir/StructureDefinition/observation-delta|4.0.1

The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.
Base: http://hl7.org/fhir/StructureDefinition/Extension4.0.1, 5.0.0, 4.0.1
Type: Extension (a.k.a: http://hl7.org/fhir/StructureDefinition/Extension)
Type dependencies: 2
Elements