description: Identifier holding the OASI number of the Principality of Liechtenstein. It is a number between 4 and 12 digits, without check digit and without special characters.
package_name: ch.fhir.ig.ch-elm
derivation: constraint
name: OasiLiIdentifier
type: Identifier
elements:
  system:
    pattern: {type: Uri, value: 'http://ahv.li/identifier/oasi'}
    index: 0
  value:
    constraint:
      oasi-li-length: {human: OASI number must be between 4 and 12 digits long, source: 'http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-oasi-li-identifier', severity: error, expression: 'value.matches(''^[0-9]{4,12}$'')'}
    index: 1
package_version: 1.0.0-trialuse
class: complex-type
kind: complex-type
url: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-oasi-li-identifier
base: http://hl7.org/fhir/StructureDefinition/Identifier
version: 1.0.0-trialuse
required: [value, system]