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SNOMED started in 1965 as a Systematized Nomenclature of Pathology (SNOP) and was further developed into a logic-based health care terminology. [6] [7]SNOMED CT was created in 1999 by the merger, expansion and restructuring of two large-scale terminologies: SNOMED Reference Terminology (SNOMED RT), developed by the College of American Pathologists (CAP); and the Clinical Terms Version 3 (CTV3 ...
In 2002 CAP's SNOMED Reference Terminology (SNOMED RT) was merged with, and expanded by, the National Health Service's Clinical Terms Version 3 (previously known as the Read codes) to produce SNOMED CT. [2] [3] Versions of SNOMED released prior to 2001 were based on a multiaxial, hierarchical classification system.
IHTSDO was founded in 2007 by 9 charter member countries (Australia, Canada, Denmark, Lithuania, Sweden, the Netherlands, New Zealand, the United Kingdom and the United States) in order to acquire the rights of SNOMED CT from the College of American Pathologists (CAP) and make the development of a global clinical language for healthcare an ...
SNOMED CT contains more than 311,000 active concepts with unique meanings and formal logic-based definitions organised into hierarchies. [28] SNOMED CT can be used by anyone with an Affiliate License, 40 low income countries defined by the World Bank or qualifying research, humanitarian and charitable projects. [ 28 ]
Health Level Seven, abbreviated to HL7, is a range of global standards for the transfer of clinical and administrative health data between applications with the aim to improve patient outcomes and health system performance.
For example, SNOMED CT concept model for procedure allows linking substances to procedures using 'Direct Substance' attribute. Similarly, the ICHI allows postcoordination with devices or substances. As a result, the scope for the set of relationships in ICHI is broader than in SNOMED CT, due to the common foundation with ICD-11.
Logical Observation Identifiers Names and Codes (LOINC) is a database and universal standard for identifying medical laboratory observations. First developed in 1994, it was created and is maintained by the Regenstrief Institute, a US nonprofit medical research organization.
The ICPC-3 strives to be a person centered classification for Primary Care, building on the foundations of the ICPC-2. It includes references to existing international standards such as ICD-10, ICD-11, ICF as well as SNOMED CT clinical terminology. It provides a framework for documenting and organizing clinical data from primary care patient ...