The JURNAL TEKNOKES is a peer-reviewed periodical scientific journal aimed at publishing research results of the medical engineering areas. The Journal is published by the Department of Medical Electronics Technology, Health Polytechnic of Surabaya, Ministry of Health Indonesia. The role of the Journal is to facilitate contacts between research centers and the industry. The aspiration of the Editors is to publish high-quality scientific professional papers presenting works of significant scientific teams, experienced and well-established authors as well as postgraduate students and beginning researchers. All articles are subject to anonymous review processes by at least two independent expert reviewers prior to publishing on the Jurnal Teknokes website. This journal focuses on the development of the: (1) Medical Electronics Technology and Biomedical Engineering; (2) Medical Laboratory Technology; (3) Environmental Health, Engineering and Technology; (4) Health Information System and Technology.