description: 'Information on whether an increase or decrease in score is the preferred result (e.g., a higher score indicates better quality OR a lower score indicates better quality OR quality is within a range).\n\n**Additional Guidance: improvementNotation**\n\n`Reference range` with definition of score within a defined interval (or a “passing score” over or under a certain threshold) indicates better quality to the improvement notation value set.' package_name: hl7.fhir.uv.cqm derivation: constraint name: CQMImprovementNotation type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-improvementNotation'} index: 0 value: choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 3} package_version: 1.0.0 class: extension kind: complex-type url: http://hl7.org/fhir/uv/cqm/StructureDefinition/cqm-improvementNotation base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0