LOINC is the international standard for identifying health observations, measurements, and documents. Get started.

Pre-release, special use codes are available for emergent situations. We support their use in this unique situation.

LOINC version 2.83 was released on August 19, 2026

New concepts in v2.833,080
Total concepts112,405
Laboratory69,651
Clinical28,786
Surveys12,807
Claims Attachments1,161
Next releaseFeb 2027

LOINC release notes

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Requesting new LOINC codes

Organizations and applications using LOINC

National Committee for Quality Assurance (NCQA)
Solventum
Federal Institute for Drugs and Medical Devices (BfArM)
Agence du Numérique en Santé (ANS) France
Epic Systems
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