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.
Wednesday, March 14, 2018 at 10:00 p.m. EDT to Thursday, March 15, 2018 at 3:00 a.m. EDT (Thursday, 15 March 2018 2:00 a.m. to 7:00 a.m. UTC)
Follow LOINC on Twitter for timely updates in regard to this maintenance.