valid use date(USP Reference Standards (RS) do not carry expiration dates in the traditional sense. Instead, they are assigned Valid Use Dates. As long as a lot is listed as being the "current lot" it is valid and suitable for use. Once a current lot is depleted, it becomes the "previous lot." At this time a valid use date is assigned, which is typically 3-12 months from the date of depletion. usp.orgamatsyuk)
European Union Reference Date(The EU reference date corresponds to the date of the first marketing authorisation of a medicine containing that active substance or that combination of active substances in the EU, or alternatively the earliest of the known dates of the marketing authorisations for a medicine containing that active substance or that combination of active substances. europa.euLEkt)
date of service(The date of service is the date of responsibility for the patient by the billing physician. This would also include when a patient's dies during the calendar month.
insuranceopedia.comnightwolf2011)
development international birth date(сокр. МДОРЛС – DIBD (Решение Совета Евразийской экономической комиссии от 03.11.2016 N 79 Об утверждении Правил надлежащей клинической практики Евразийского экономического союза): "международная дата одобрения разрабатываемого лекарственного препарата, МДОРЛС" (development international birth date (DIBD)) – дата первого одобрения (или авторизации) проведения интервенционного клинического исследования в любой из стран мира;cntd.ruinspirado)