description: 'The material on this page will be removed in a future release. This content is deprecated and SHOULD NOT be used. Implementers are instead directed to the ([Genomics Reporting Implementation Guide](http://hl7.org/fhir/uv/genomics-reporting/index.html)) for guidance. A variation that increases or decreases the copy number of a given region ([SO:0001019](http://www.sequenceontology.org/browser/current_svn/term/SO:0001019)). Values: amplification/deletion/LOH.'
package_name: rs/hl7.fhir.r4b.core
derivation: constraint
name: CopyNumberEvent
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-geneticsCopyNumberEvent'}
    type: uri
    index: 1
  value:
    choices: [valueCodeableConcept]
    index: 3
  valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4}
package_version: 4.3.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/observation-geneticsCopyNumberEvent
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.3.0
required: [value, valueCodeableConcept]