Online access to COVID-19 lab test results for Health Care Providers

If you are an authorized Ontario health care provider with access to one of the provincial viewers (ClinicalConnect™, ConnectingOntario ClinicalViewer and eHealth Portal) or an electronic medical record system (with OLIS to EMR) or Hospital Information System (with OLIS integration), you can access novel coronavirus (COVID-19) lab test results stored in Ontario Laboratories Information System (OLIS) in near real-time.

eHealth Ontario

ONE Access Gateway Transport Specification

ONE Access Provider Gateway is a modernized platform for enabling the integration of provider facing applications* with provincial clinical repositories and registries** in a secure and reliable manner. It is eHealth Ontario’s solution to better supporting the applications to access EHR data through the Application Program Interfaces (APIs) published via the ONE Access Provider Gateway.

*Provider applications include point-of-service systems supporting clinical workflow for Ontario’s healthcare providers.

**ONE Access Provider Gateway will support authorized provider applications to access provincial clinical repositories, which contain information from various domains, such as Laboratory, Medication, Diagnostic Imaging, Immunization and Acute and Community Care data. It will also support access to registries data contained in the Provincial Client Registry (PCR), and Provincial Provider Registry (PPR).


The ONE Access Gateway exposes a set of RESTful FHIR APIs protected by OAuth2/OpenID Connect authorization and authentication protocols via:

  • Provider Gateway – publishing APIs targeted for provider facing applications

Once a project with eHealth Ontario is initiated, the specification explains how to connect to the ONE Access Provider Gateway environments, and the technical details as to how to interact with the published APIs to access EHR data.

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This publication has been exempted from translation under the French Language Services Act as per O. Reg. 671/92. This publication is technical in nature and is available in English only due to its limited targeted audience.

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  • January 16, 2020

    Available to download

  • January 16, 2020

    Strategic Committee Approval

  • December 11, 2019

    Business Technical Committee

  • October 16, 2019 - November 18, 2019

    Open Review

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