Acronyms & Abbreviations

Acronym Description
API Application Programming Interface. A set of standard software interrupts, calls, functions, and data formats that can be used by an application program to access network services, devices, applications, or operating system
CMS Context Management System
DOB Date of Birth
DSTU Draft Standard for Trial Use
EHR Electronic Health Record
EMR Electronic Medical Record
FHIR HL7 Fast Healthcare Interoperability Resources Standard
HCN Provincial Health Card Number
HL7 Health Level Seven
HTTP Hypertext Transfer Protocol
HTTPS HTTP connection encrypted by Transport Layer Security
IDP An organization that creates and provisions accounts through secure processes to health professionals and other users that can be used to access Delivery Channels through the ONE ID Federation
JHN Jurisdictional Health Number
JSON JavaScript Object Notation. A lightweight data-interchange format
LHIN Local Health Integration Network
MOHLTC Ministry of Health and Long-Term Care
MRN Medical Record Number
OBO On Behalf Of
OID Object Identifier
ONE ID eHealth Ontario’s identity and access management service for digital healthcare applications. ONE ID acts as both an Identity Provider for those users that do not have an applicable account as well as the operator of the Federation and the Federation Broker
PHI Personal Health Information. A subset of Personal Information and has the same meaning set out in PHIPA
PI Personal Information
PHIPA Personal Health Information Protection Act, 2004, S.O. 2004, Chapter 3, Schedule A, and all regulations adopted thereunder, in each case as amended from time to time
TLS Transport Layer Security
UAO Under the Authority Of
URI Uniform Resource Identifier. URI is a string of characters designed for the unambiguous identification of resources