Search the LOINC database in your web browser

We've taken some of the best features from the RELMA simple search screen and implemented them in a web application that you can use from anywhere.

Quick, yet powerful access to LOINC

  • Always updated with the latest release of LOINC
  • Works in any modern web browser
  • No need to install additional software
  • Same robust search syntax used by RELMA
  • Multilingual searching
  • Sort the grid of search results by any field you like to locate the right
  • Export search results to a csv file for use elsewhere

Have a feature request?

Contact us

Problem using

Let us know

Which should I use?


If you want to search the database and map your local codes to LOINC, we recommend downloading and installing RELMA. More Info

If you are curious about LOINC and just want to explore, our browser-based tool is the best place to start.

Use both

These aren't mutually exclusive. Use either depending on your needs at the moment.