description: DARC stands for 'Dates Affecting Readiness to Consult' and is defines as:\r\nPeriods of time between the referral and consult date when the patient is unavailable for a first consultation due to patient-related reasons. package_name: ca.on.oh-ereferral-econsult derivation: constraint name: DARC type: Extension elements: valueBase64Binary: {type: base64Binary, label: To Date, choiceOf: value, index: 23} valueAge: {type: Age, label: To Date, choiceOf: value, index: 43} valueParameterDefinition: {type: ParameterDefinition, label: To Date, choiceOf: value, index: 67} valueTiming: {type: Timing, label: To Date, choiceOf: value, index: 62} valueCode: {type: code, label: To Date, choiceOf: value, index: 26} valueReference: {type: Reference, label: To Date, choiceOf: value, index: 59} valueContributor: {type: Contributor, label: To Date, choiceOf: value, index: 64} valueContactDetail: {type: ContactDetail, label: To Date, choiceOf: value, index: 63} valueUri: {type: uri, label: To Date, choiceOf: value, index: 39} valueUsageContext: {type: UsageContext, label: To Date, choiceOf: value, index: 70} valueTime: {type: time, label: To Date, choiceOf: value, index: 37} valueDecimal: {type: decimal, label: To Date, choiceOf: value, index: 29} valueCanonical: {type: canonical, label: To Date, choiceOf: value, index: 25} valueMarkdown: {type: markdown, label: To Date, choiceOf: value, index: 33} valueIdentifier: {type: Identifier, label: To Date, choiceOf: value, index: 53} valueTriggerDefinition: {type: TriggerDefinition, label: To Date, choiceOf: value, index: 69} valueQuantity: {type: Quantity, label: To Date, choiceOf: value, index: 56} value: label: To Date choices: [valueBase64Binary, valueBoolean, valueCanonical, valueCode, valueDate, valueDateTime, valueDecimal, valueId, valueInstant, valueInteger, valueMarkdown, valueOid, valuePositiveInt, valueString, valueTime, valueUnsignedInt, valueUri, valueUrl, valueUuid, valueAddress, valueAge, valueAnnotation, valueAttachment, valueCodeableConcept, valueCoding, valueContactPoint, valueCount, valueDistance, valueDuration, valueHumanName, valueIdentifier, valueMoney, valuePeriod, valueQuantity, valueRange, valueRatio, valueReference, valueSampledData, valueSignature, valueTiming, valueContactDetail, valueContributor, valueDataRequirement, valueExpression, valueParameterDefinition, valueRelatedArtifact, valueTriggerDefinition, valueUsageContext, valueDosage] index: 22 valueCount: {type: Count, label: To Date, choiceOf: value, index: 49} valueString: {type: string, label: To Date, choiceOf: value, index: 36} valueRatio: {type: Ratio, label: To Date, choiceOf: value, index: 58} valueBoolean: {type: boolean, label: To Date, choiceOf: value, index: 24} valueInstant: {type: instant, label: To Date, choiceOf: value, index: 31} valueDateTime: {type: dateTime, label: To Date, choiceOf: value, index: 28} valueDate: {type: date, label: To Date, choiceOf: value, index: 27} valueDuration: {type: Duration, label: To Date, choiceOf: value, index: 51} valueDataRequirement: {type: DataRequirement, label: To Date, choiceOf: value, index: 65} valueMoney: {type: Money, label: To Date, choiceOf: value, index: 54} valueCoding: {type: Coding, label: To Date, choiceOf: value, index: 47} valueExpression: {type: Expression, label: To Date, choiceOf: value, index: 66} extension: index: 0 slicing: rules: open discriminator: - {path: url, type: value} min: 0 slices: StartDate: match: {url: StartDate} schema: mustSupport: true index: 1 elements: url: pattern: {type: Uri, value: StartDate} index: 2 value: choices: [valueDateTime] index: 4 valueDateTime: {type: dateTime, choiceOf: value, index: 5} EndDate: match: {url: EndDate} schema: mustSupport: true index: 6 elements: url: pattern: {type: Uri, value: EndDate} index: 7 value: choices: [valueDateTime] index: 9 valueDateTime: {type: dateTime, choiceOf: value, index: 10} DARCCodes: match: {url: DARCCodes} schema: mustSupport: true index: 11 elements: url: pattern: {type: Uri, value: DARCCodes} index: 12 value: choices: [valueCodeableConcept] index: 14 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 15} value[x]: elements: coding: binding: {strength: extensible, valueSet: 'http://ehealthontario.ca/fhir/ValueSet/darc-dart-reason'} mustSupport: true index: 16 elements: system: pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/CodeSystem/darc-dart-reason'} mustSupport: true index: 17 code: {mustSupport: true, index: 18} display: {mustSupport: true, index: 19} valueSampledData: {type: SampledData, label: To Date, choiceOf: value, index: 60} valueDosage: {type: Dosage, label: To Date, choiceOf: value, index: 71} valueContactPoint: {type: ContactPoint, label: To Date, choiceOf: value, index: 48} url: pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/StructureDefinition/ext-darc'} index: 20 valueCodeableConcept: {type: CodeableConcept, label: To Date, choiceOf: value, index: 46} valueAnnotation: {type: Annotation, label: To Date, choiceOf: value, index: 44} valuePeriod: {type: Period, label: To Date, choiceOf: value, index: 55} valueDistance: {type: Distance, label: To Date, choiceOf: value, index: 50} valueRange: {type: Range, label: To Date, choiceOf: value, index: 57} valueSignature: {type: Signature, label: To Date, choiceOf: value, index: 61} valueUuid: {type: uuid, label: To Date, choiceOf: value, index: 41} valueInteger: {type: integer, label: To Date, choiceOf: value, index: 32} valueHumanName: {type: HumanName, label: To Date, choiceOf: value, index: 52} valueUnsignedInt: {type: unsignedInt, label: To Date, choiceOf: value, index: 38} valueAttachment: {type: Attachment, label: To Date, choiceOf: value, index: 45} valueOid: {type: oid, label: To Date, choiceOf: value, index: 34} valueAddress: {type: Address, label: To Date, choiceOf: value, index: 42} valueRelatedArtifact: {type: RelatedArtifact, label: To Date, choiceOf: value, index: 68} valuePositiveInt: {type: positiveInt, label: To Date, choiceOf: value, index: 35} valueId: {type: id, label: To Date, choiceOf: value, index: 30} valueUrl: {type: url, label: To Date, choiceOf: value, index: 40} package_version: 0.11.0-alpha1.0.6 extensions: StartDate: url: StartDate mustSupport: true index: 1 elements: url: pattern: {type: Uri, value: StartDate} index: 2 value: choices: [valueDateTime] index: 4 valueDateTime: {type: dateTime, choiceOf: value, index: 5} EndDate: url: EndDate mustSupport: true index: 6 elements: url: pattern: {type: Uri, value: EndDate} index: 7 value: choices: [valueDateTime] index: 9 valueDateTime: {type: dateTime, choiceOf: value, index: 10} DARCCodes: url: DARCCodes mustSupport: true index: 11 elements: url: pattern: {type: Uri, value: DARCCodes} index: 12 value: choices: [valueCodeableConcept] index: 14 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 15} value[x]: elements: coding: binding: {strength: extensible, valueSet: 'http://ehealthontario.ca/fhir/ValueSet/darc-dart-reason'} mustSupport: true index: 16 elements: system: pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/CodeSystem/darc-dart-reason'} mustSupport: true index: 17 code: {mustSupport: true, index: 18} display: {mustSupport: true, index: 19} class: extension kind: complex-type url: http://ehealthontario.ca/fhir/StructureDefinition/ext-darc base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.11.0