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| Term/Acronym/Abbreviation | Description |
|---|---|
| ANSI | American National Standards Institute |
| ASCII | American Standard Code for Information Interchange, a character encoding standard for electronic communication |
| API | Application Programming Interface |
| CMS | Ontario Context Management System (CMS IG) |
| CPSO | College of Physicians and Surgeons of Ontario |
| DHDR | Digital Health Drug Repository |
| DHIEX | Digital Health Information Exchange |
| Digital health asset | Means “digital health asset” as defined in O. Reg. 329/04. |
| DOB | Date of Birth |
| EHR or Electronic Health Record | Means “electronic health record” as defined in Part V.1. of PHIPA. |
| EMR | Electronic Medical Record |
| FHIR | HL7 Fast Healthcare Interoperability Resources Standard |
| FIPPA | Freedom of Information and Protection of Privacy Act, R.S.O. 1990, c. F.31 |
| GUID | Globally Unique Identifier, interchangeable with UUID |
| HCN | Means “health number” as defined in PHIPA. |
| Health care practitioner | Means “health care practitioner” as defined in PHIPA. |
| HIC or health information custodian | Means “health information custodian” as defined in PHIPA. |
| HIPA | Health Information Protection Act, 2016, S.O. 2016, c. 6 - Ontario Bill 119 |
| HIS | Hospital Information System |
| HL7 | Health Level Seven |
| HTTP | Hypertext Transfer Protocol |
| HTTPS | HTTP connection encrypted by Transport Layer Security |
| IETF | Internet Engineering Task Force |
| IG | Implementation Guide |
| Interoperability specification | Means “interoperability specification” as defined in O. Reg. 329/04. |
| IPC | Information and Privacy Commissioner of Ontario |
| ISO/TR | International Organization for Standardization/Technical Report |
| JSON | JavaScript Object Notation is a lightweight data-interchange format |
| LOB | Line of Business, used as a way to partition Ontario Health EHR assets |
| Minister or MOH | Minister of Health |
| MRN | Medical Record Number |
| O. Reg. 329/04 | General, Ontario Regulation 329/04 made under PHIPA. |
| OH | Ontario Health |
| OID | Object Identifier |
| PCOI | Provincial Consent Override Interface |
| PHI or Personal Health Information | Means “personal health information” as defined in PHIPA. |
| PHIPA | Means the Personal Health Information Protection Act, 2004, SO 2004, c 3, Sch A, as may be amended or replaced from time to time. |
| PI or Personal Information | Means “personal information” as defined in FIPPA. |
| PKI | Public Key Infrastructure |
| PO or Prescribed Organization | Means “prescribed organization” as defined in PHIPA. |
| POS | Point of Service Application or System |
| PPR | Provincial Provider Registry |
| R4 | Release 4 of the HL7 FHIR standard |
| REST | Representational State Transfer |
| SDM | Substitute Decision Maker, as defined in |
| SPA | Single-Page Application |
| THOR | Transaction History Registry, a central storage to keep province-wide transactional logs |
| UAO | Under the Authorization Of |
| UPI | Unique Provider Identifier number |
| URI | Uniform Resource Identifier |
| UTC | Coordinated Universal Time |
| UUID | Universally Unique Identifier, interchangeable with GUID |
| V3 | HL7 Version 3 |
| XML | Extensible Markup Language |
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