description: The type agency, organization or individual that referred the client for treatment to the agency providing the services. package_name: ca.on.mha.pds derivation: constraint name: ExtensionReferralSourceType type: Extension elements: url: pattern: {type: uri, value: 'http://ontariohealth.ca/fhir/StructureDefinition/ca-on-ext-referralSourceType'} type: uri index: 0 value: mustSupport: true choices: [valueCodeableConcept] index: 2 valueCodeableConcept: {type: CodeableConcept, mustSupport: true, choiceOf: value, index: 3} value[x]: elements: coding: mustSupport: true index: 4 elements: system: {mustSupport: true, index: 5} code: {mustSupport: true, index: 6} display: {mustSupport: true, index: 7} required: [code, display, system] required: [coding] package_version: 2.0.0-beta-1 class: extension kind: complex-type url: http://ontariohealth.ca/fhir/StructureDefinition/ca-on-ext-referralSourceType base: http://hl7.org/fhir/StructureDefinition/Extension version: 2.0.0 required: [value, valueCodeableConcept]