noun
A licensed professional who performs clinical laboratory tests under the direction of a physician. The term is specific to the Japanese medical licensing system.
彼女は衛生検査技師として病院で働いている。
She works at a hospital as a medical technologist.
臨床検査技師 is a more common and broader term for clinical laboratory technologist, while 衛生検査技師 is an older, more specific license category that has been largely integrated into the 臨床検査技師 system.
Compound of 衛生 (hygiene, sanitation), 検査 (inspection, test), and 技師 (technician, engineer). The term reflects the historical development of Japan's medical technologist licensing system.