description: null package_name: uk.nhsdigital.r4.test derivation: constraint name: ExtensionNHSDigitaleRSReferralState type: Extension elements: extension: index: 0 slicing: rules: open discriminator: - {path: url, type: value} min: 0 slices: state: match: {url: state} schema: index: 1 elements: url: pattern: {type: Uri, value: state} index: 2 value: choices: [valueCoding] index: 4 valueCoding: {type: Coding, choiceOf: value, index: 5} value[x]: elements: system: pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/eRS-ReferralState'} index: 6 code: {index: 7} required: [system, code] required: [valueCoding, value] reason: match: {url: reason} schema: index: 8 elements: url: pattern: {type: Uri, value: reason} index: 9 value: choices: [valueCoding] index: 11 valueCoding: {type: Coding, choiceOf: value, index: 12} value[x]: elements: system: pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/NHSDigital-AppointmentCancellationReason'} index: 13 code: {index: 14} required: [system, code] required: [valueCoding, value] comments: match: {url: comments} schema: index: 15 elements: url: pattern: {type: Uri, value: comments} index: 16 value: choices: [valueString] index: 18 valueString: {type: string, choiceOf: value, index: 19} required: [valueString, value] stateResource: match: {url: stateResource} schema: index: 20 elements: url: pattern: {type: Uri, value: stateResource} index: 21 value: choices: [valueReference] index: 23 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nhs.uk/StructureDefinition/NHSDigital-Appointment', 'https://fhir.nhs.uk/StructureDefinition/NHSDigital-Task'] index: 24 url: pattern: {type: Uri, value: 'https://fhir.nhs.uk/StructureDefinition/Extension-eRS-ServiceRequest-State'} index: 25 value: choices: [] index: 27 package_version: 2.8.6-prerelease extensions: state: url: state index: 1 elements: url: pattern: {type: Uri, value: state} index: 2 value: choices: [valueCoding] index: 4 valueCoding: {type: Coding, choiceOf: value, index: 5} value[x]: elements: system: pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/eRS-ReferralState'} index: 6 code: {index: 7} required: [system, code] required: [valueCoding, value] reason: url: reason index: 8 elements: url: pattern: {type: Uri, value: reason} index: 9 value: choices: [valueCoding] index: 11 valueCoding: {type: Coding, choiceOf: value, index: 12} value[x]: elements: system: pattern: {type: Uri, value: 'https://fhir.nhs.uk/CodeSystem/NHSDigital-AppointmentCancellationReason'} index: 13 code: {index: 14} required: [system, code] required: [valueCoding, value] comments: url: comments index: 15 elements: url: pattern: {type: Uri, value: comments} index: 16 value: choices: [valueString] index: 18 valueString: {type: string, choiceOf: value, index: 19} required: [valueString, value] stateResource: url: stateResource index: 20 elements: url: pattern: {type: Uri, value: stateResource} index: 21 value: choices: [valueReference] index: 23 valueReference: type: Reference choiceOf: value refers: ['https://fhir.nhs.uk/StructureDefinition/NHSDigital-Appointment', 'https://fhir.nhs.uk/StructureDefinition/NHSDigital-Task'] index: 24 class: extension kind: complex-type url: https://fhir.nhs.uk/StructureDefinition/Extension-eRS-ServiceRequest-State base: http://hl7.org/fhir/StructureDefinition/Extension version: null