This is a directory of healthcare organizations, government agencies, researchers, and software providers from around the world who use LOINC in their clinical systems, laboratory workflows, or digital health products.

Inclusion in this directory is for informational purposes and does not imply certification, audit, or verification. This list should not be interpreted as an official partnership or an endorsement of any product or service.

Does your organization use LOINC? Contact us with more information and we will consider your inclusion in this directory. We ask that you include a vector image file (such as .svg or .ai) of your logo.