LOINC websites may be unavailable during the following server maintenance window. This includes loinc.org and search.loinc.org as well as logins within the RELMA application.
Saturday, March 3, 2018 between 9:00-10:00 p.m. EST
(Sunday, 4 March 2018 2:00-3:00 a.m. UTC)
Follow LOINC on Twitter for timely updates in regard to this maintenance.