http://hl7.org/fhir/StructureDefinition/observation-nature-of-abnormal-test|5.2.0

This field contains the nature of the abnormal test. This is represented in v2 as OBX-10 Nature of abnormal test (ID) 00578.
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: 0
Elements