We will be performing maintenance on the loinc.org website on Sunday, July 19, 2026 (2026-07-19) starting at 1:00 p.m. EDT (17:00 UTC). This window is scheduled for four hours, ending at approximately 5:00 p.m. EDT (21:00 UTC).
The loinc.org website will be unavailable during this time. You will still be able to access APIs, including the LOINC Terminology Service using HL7 FHIR, during this outage. The forum website should also remain available.