description: Primary Key for PIR record package_name: ca.bc.bcy-ids derivation: constraint name: PIRIdentifierExtension type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://ehealth.bc.ca/fhir/StructureDefinition/bcy-ids-pir-identifier'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.1.0 extensions: {} class: extension kind: complex-type url: https://ehealth.bc.ca/fhir/StructureDefinition/bcy-ids-pir-identifier base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueString, value]