{description: This field indicates the last point of entry prior to being admitted as an inpatient to the reporting facility.  It is contributed in  PV1-14 in HL7v2 and is used by the resource element  Encounter.hospitalization.admitSource in FHIR, package_name: ca.on.ehr.r4, name: AdmitSource, type: null, package_version: 1.0.0-snapshot2, class: unknown, kind: null, url: 'http://cihi.ca/fhir/CodeSystem/aac-admit-source', version: '2018'}