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Logical Observation Identifiers Names and Codes (LOINC®)

A universal code system for tests, measurements, and observations.


More than 46,000 people in 175 countries use LOINC to make bridges across their islands of health data.

It's free, but invaluable.

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Learn LOINC Fast

A step-by-step guide for getting your local codes mapped to LOINC

Author: Daniel J. Vreeman, PT, DPT, MSc
Format: PDF


Download LOINC and the RELMA Mapping program for free.

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Current Versions
LOINC 2.56
Released: 2016-06-24

RELMA 6.15
Released: 2016-09-12

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