... high level of security, of scrutiny and of standardization, and under good laboratory practices and quality control Many of these companies subscribe to and offer postmarketing quality assurance ... guide to autoantibody test requests Patient The ongoing demands of quality control and quality assurance are highly dependent on the availability of prototype sera and on the participation of patients ... www.zeusscientific.com stantly changing environment, it is the responsibility of the clinical diagnostic laboratory to assure that the day -to- day and month -to- month performance of kits is adequate because accreditation,...