description: This profile constrains the Range data type to use UCUM as the code system for units and optionally share measurement uncertainty package_name: hl7.fhir.eu.laboratory derivation: constraint name: RangeEuLab type: Range elements: extension: type: Extension url: http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty|5.2.0 index: 0 slicing: slices: uncertainty: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty|5.2.0', index: 0} min: 0 max: 1 uncertaintyType: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType|5.2.0', index: 1} min: 0 max: 1 low: elements: system: pattern: {type: Uri, value: 'http://unitsofmeasure.org'} index: 2 code: {index: 3} required: [code] high: elements: system: pattern: {type: Uri, value: 'http://unitsofmeasure.org'} index: 4 code: {index: 5} required: [code] package_version: 2.0.0 extensions: uncertainty: {url: 'http://hl7.org/fhir/StructureDefinition/iso21090-uncertainty|5.2.0', min: 0, max: 1, type: Extension, index: 0} uncertaintyType: {url: 'http://hl7.org/fhir/StructureDefinition/iso21090-uncertaintyType|5.2.0', min: 0, max: 1, type: Extension, index: 1} class: complex-type kind: complex-type url: http://hl7.eu/fhir/laboratory/StructureDefinition/Range-eu-lab base: http://hl7.org/fhir/StructureDefinition/Range version: 2.0.0