The international standard for identifying health measurements, observations, and documents.
Reference labs, healthcare providers, government agencies, insurance companies, software and device manufacturers, researchers, and consumers from around the globe use LOINC to identify data and move it seamlessly between systems.
SARS-CoV-2 and COVID-19 INFORMATION
Full list of LOINCs related to SARS-CoV-2/COVID-19
Guidance for mapping to SARS-CoV-2 LOINC terms
LOINC Release Notes
See highlights of content updates in Version 2.71 of LOINC. Release notes from previous versions are also available in the LOINC KB.
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Introducing a new way to search for LOINC terms, Parts, Answer Lists, and Groups. Please share your feedback. (LOINC login required to access app.)
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Learn how LOINC is implemented around the world. See our curated library of LOINC-related journal articles.
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Knowledge Base
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