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Logical Observation Identifiers Names and Codes (LOINC®)

LOINC Welcome

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

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More than 29,000 people in 158 countries use LOINC to make bridges across their islands of health data.

It's free, but invaluable.

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From serum levels of hepatitis B surface antigen to diastolic blood pressure, LOINC has standardized terms for all kinds of observations and measurements that enable exchange and aggregation of electronic health data from many independent systems. 

 


Common LOINCs

Get started with the most frequently used LOINC result codes.

Top 2000 Results plus Mapper's Guide

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You might also like: Common LOINC Orders | Common UCUM units
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RELMA now lets you see the mappings from other LOINC users.

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Share the wealth. Send your mappings back to our community repository.
 
News Icon RSNA and Regenstrief Institute launch effort to unify radiology procedure naming
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New to LOINC?

LOINC Quick Start Guide
LOINC Quick Start Guide

Jumpstart your path to LOINCing prowess
 LOINC Intro Webinar Icon
LOINC Introduction Webinar

Presenter: Daniel J. Vreeman, PT, DPT, MSc
Runtime: 58 mins
Current Versions
LOINC 2.46
Released: 2013-12-26

RELMA 6.4
Released: 2013-12-26


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