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--- products:ict:health [2022/11/26 17:03] – wikiadmin
+++ products:ict:health [2022/11/26 17:06] (current) – wikiadmin
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 [[https://www.who.int/news/item/25-05-2019-world-health-assembly-update|ICD 11]]
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 [[https://hl7.org/fhir/index.html|HL7 FHIR]]
+[[https://en.wikipedia.org/wiki/Health_Level_7|HL7 : Health Level 7]]
+Health Level Seven or HL7 refers to a set of international standards for transfer of clinical and administrative data between software applications used by various healthcare providers. These standards focus on the application layer, which is "layer 7" in the OSI model. The HL7 standards are produced by Health Level Seven International, an international standards organization, and are adopted by other standards issuing bodies such as American National Standards Institute and International Organization for Standardization.
+Hospitals and other healthcare provider organizations typically have many different computer systems used for everything from billing records to patient tracking. All of these systems should communicate with each other (or "interface") when they receive new information, or when they wish to retrieve information, but not all do so.