The universal standard for identifying health measurements, observations, and documents.

Reference labs, healthcare organizations, U.S. federal agencies, insurance companies, software vendors, in vitro diagnostic testing companies, and more than 55,500 registered users from 170 countries use LOINC to move data seamlessly between systems.

It’s free, but invaluable.

Now presenting a brand new educational experience

Join colleagues from around the globe at this premiere event featuring three functions focused on LOINC and its implementation.

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DEADLINE IS DECEMBER 1

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Explore all the LOINC codes directly in your web browser. More Info

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Learn LOINC

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LOINC Essentials

Learn Dr. Vreeman's secrets for mapping local codes to LOINC.