description: 扩展Patient资源以支持民族信息记录
package_name: new.project20250522
derivation: constraint
name: PatientNationExtension
type: Extension
elements:
  url:
    pattern: {type: uri, value: 'http://example.org/fhir/StructureDefinition/patient-nation'}
    type: uri
    index: 0
  valueCodeableConcept:
    type: CodeableConcept
    short: 民族编码
    binding: {strength: required, valueSet: 'http://example.org/fhir/ValueSet/nationcode'}
    index: 1
package_version: 4.0.0
class: extension
kind: complex-type
url: http://example.org/fhir/StructureDefinition/patient-nation
base: http://hl7.org/fhir/StructureDefinition/Extension
version: null
required: [valueCodeableConcept]