description: The pertinent positive or negative information relevant to the recommendation. package_name: hl7.fhir.uv.cpg derivation: constraint name: CPGPertinent type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-pertinent'} index: 1 value: choices: [valueReference] index: 3 valueReference: {type: Reference, choiceOf: value, index: 4} package_version: 2.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-pertinent base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0-ballot