http://hl7.org/fhir/StructureDefinition/cqf-contactReference|5.2.0
A reference to a Person, Group, Device, or Organization that is the contact.
description: A reference to a Person, Group, Device, or Organization that is the contact. derivation: constraint name: ContactReference type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/cqf-contactReference'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/cqf-contactReference base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]