LOINC releases new versions twice a year, usually June and December, although there was talk of changing the release months in the latest spring conference (March 9-12, 2021).
Expression Constraint Language (ECL) is unique to SNOMED CT and allows users to build computable rules from SNOMED CT’s hierarchy and/or relationship groups.
Amid the initial outbreak of COVID-19 in the United States, the HDD team created several new value sets collecting the relevant standard codes, to be provided free to anyone who may find them useful in data identification in relation to the crisis.