description: Patient representation via Initials package_name: rs/ch.fhir.ig.ch derivation: constraint name: ChElmPatientInitials type: Patient elements: name: constraint: name-initials: {human: a name with initials, source: 'http://fhir.ch/ig/ch-elm/StructureDefinition/ChElmPatientInitials', severity: error, expression: family.exists() and given.exists() and given.first().exists() and given.first().length() = 1 and family.length() = 1} index: 0 package_version: elm-1.3.0 class: profile kind: resource url: http://fhir.ch/ig/ch-elm/StructureDefinition/ChElmPatientInitials base: http://fhir.ch/ig/ch-elm/StructureDefinition/ch-elm-patient version: 1.3.0