{description: Returns ImagingStudy instances with an Accession Number extension matching the specified identifier., package_name: il.core.fhir.r4, name: ILCoreImagingStudyAccessionNumber, type: token, package_version: 0.17.3, class: unknown, kind: null, url: 'http://fhir.health.gov.il/SearchParameter/il-core-imagingstudy-accession-number', version: 1.0.0}