description: The primary measure of variance/uncertainty of the value (the square root of the sum of the squares of the differences between all data points and the mean).
package_name: rs/hl7.fhir.core
derivation: constraint
name: uncertainty
type: Extension
elements:
  extension: {index: 0}
  url:
    type: uri
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty'}
    index: 1
  valueDecimal: {type: decimal, index: 2}
package_version: 3.5.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null