description: สภาวะการป่วยต่อเนื่อง package_name: silth.fhir.th.extensions derivation: constraint name: EX_TH_ConditionIsChronic type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'https://fhir-ig.sil-th.org/th/extensions/StructureDefinition/ex-condition-is-chronic'} index: 1 value: choices: [valueBoolean] index: 3 valueBoolean: {type: boolean, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: https://fhir-ig.sil-th.org/th/extensions/StructureDefinition/ex-condition-is-chronic base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [value, valueBoolean]