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. Clinical Interpretations for variant. It's a reference to an Observation resource. package_name: hl7.fhir.r4b.examples derivation: constraint name: Interpretation type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-geneticsInterpretation'} index: 1 value: choices: [valueReference] index: 3 valueReference: type: Reference choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/Observation'] index: 4 package_version: 4.3.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/observation-geneticsInterpretation base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.3.0 required: [valueReference, value]