This archive of older LOINC releases is for informational and validation purposes only. We ask that you use the current LOINC version in your production systems. Furthermore, we recommend users update to the latest version of LOINC within 90 days of its publication. Updates are typically released in February and August each year.
Note that some U.S. regulations indicate a specific version of LOINC for use. As we explain in detail, this can be viewed as a minimum version and the newest LOINC version is permitted.
The following files are bound by the LOINC License.