description: The qualitative change in the value relative to the previous measurement. Usually only recorded if the change is clinically significant.
package_name: hl7.fhir.r2.core
name: Qualitative change or trend in the measurement
type: null
elements:
  extension: {name: extension, index: 0}
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-delta'}
    index: 1
  value:
    choices: [valueCodeableConcept]
    index: 3
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4}
package_version: 1.0.2
extensions: {}
class: datatype
kind: datatype
url: http://hl7.org/fhir/StructureDefinition/observation-delta
version: null
required: [value, valueCodeableConcept]