description: City expressed as a numeric value.  As of the date of publication, in accordance with the NCHS Instruction Manual Part 8, Vital Records Geographic Classification, 2014 (https://www.cdc.gov/nchs/data/dvs/IMP8_2014.pdf). (Extension)
package_name: hl7.fhir.us.vr
derivation: constraint
name: ExtensionCityCodeVitalRecords
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/us/vr-common-library/StructureDefinition/CityCode'}
    index: 1
  value:
    maxLength: 5
    choices: [valuePositiveInt]
    index: 3
  valuePositiveInt: {type: positiveInt, maxLength: 5, choiceOf: value, index: 4}
package_version: common-library-2.0.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/us/vr-common-library/StructureDefinition/CityCode
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 2.0.0
required: [valuePositiveInt, value]