description: A clinician-friendly explanation for the recommendation; patient-friendly if the recommendation is patient-facing. package_name: hl7.fhir.uv.cpg derivation: constraint name: CPGRationale type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/cpg/StructureDefinition/cpg-rationale'} index: 1 value: choices: [valueMarkdown] index: 3 valueMarkdown: {type: markdown, 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-rationale base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0-ballot