{ "description": "The actual start date of the Encounter (Backport from R5). The parameter cannot repeat or have multiple values.", "_filename": "encounter-date-start-SearchParameter.json", "package_name": "ca.on.accdr.r4", "date": "2025-10-15", "expression": "Encounter.period.start", "publisher": "Ontario Health", "name": "date-start", "type": "date", "experimental": "false", "resourceType": "SearchParameter", "title": null, "package_version": "1.0.0-draft1", "status": "active", "id": "559d1187-7fc7-4a4f-b03a-838fd058892e", "kind": null, "url": "http://ontariohealth.ca/fhir/accdr/SearchParameter/Encounter-date-start", "code": "date-start", "comparator": [ "eq", "ne", "gt", "ge", "lt", "le", "sa", "eb", "ap" ], "base": [ "Encounter" ], "version": "4.0.1" }