description: null package_name: OntariomiCDRFHIRImplementationGuide derivation: constraint name: LoincOntologyAxis type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://ontariohealth.ca/fhir/StructureDefinition/ext-loinc-ontology-axis'} index: 1 value: mustSupport: true choices: [valueCoding] index: 3 valueCoding: {type: Coding, mustSupport: true, choiceOf: value, index: 4} value[x]: elements: system: {mustSupport: true, index: 5} code: {mustSupport: true, index: 6} display: {mustSupport: true, index: 7} required: [display, system, code] package_version: 0.10.00-0.1.0 extensions: {} class: extension kind: complex-type url: http://ontariohealth.ca/fhir/StructureDefinition/ext-loinc-ontology-axis base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.1.0