The ASEAN Association for Clinical Laboratory Sciences (AACLS) was formerly the ASEAN Association of Medical Laboratory Technologists (AAMLT). The signing of the agreement was done at the first ASEAN Conference of Medical Laboratory Technology (AAMLT) at the Faculty of Medicine, University of Malaya, Kuala Lumpur in April 1985. MIMLS (Malaysia), PATELKI (Indonesia), AAMT (Thailand), SAMLS (Singapore), PAMET (Philippines) and BAMLS (Brunei) are the member associations of AACLS.