description: 'Only traced NHS Number **SHOULD** be used, un-traced NHS Numbers **MUST** be clearly indicated.\r\n \r\n  NHS Data Dictionary: [NHS NUMBER](https://www.datadictionary.nhs.uk/data_elements/nhs_number.html). \r\n \r\n \r\n Format: ^[0-9]{10}$ (400 000 000 to 499 999 999, and 600 000 000 to 799 999) \r\n \r\n \r\n FHIR Naming System: [nhs-number](https://simplifier.net/ukfhircommunityassets/namingsystem-nhs-number)'
package_name: fhir.r4.nhsengland.programme
derivation: constraint
name: EnglandIdentifierNHSNumber
type: Identifier
elements:
  type:
    elements:
      coding:
        index: 0
        elements:
          system:
            pattern: {type: Uri, value: 'http://terminology.hl7.org/CodeSystem/v2-0203'}
            index: 1
          code:
            pattern: {type: Code, value: NH}
            index: 2
          display:
            short: National Health Plan Identifier
            pattern: {type: String, value: National Health Plan Identifier}
            index: 3
    required: [coding]
  system:
    pattern: {type: Uri, value: 'https://fhir.nhs.uk/Id/nhs-number'}
    index: 4
  value: {index: 5}
package_version: 0.23.1-pre-release
class: complex-type
kind: complex-type
url: https://fhir.nhs.uk/England/StructureDefinition/England-Identifier-NHS-Number
base: http://hl7.org/fhir/StructureDefinition/Identifier
version: 0.0.1
required: [value, system]