The Institute for Tropical Diseases is one of the Centers for Excellence in Science and Technology (PUI) by the Ministry of Research and Higher Education in the field of molecular biology research which has been equipped with the latest equipment and methods, since 2017. The laboratory at the Tropical Disease Institute has been accredited with SNI ISO/IEC 17025:2017 by the National Accreditation Committee (KAN), namely for testing dengue virus serotypes, Mycobacterium tuberculosis, Mycobacterium leprae, Hepatitis B virus, and Hepatitis C virus using the Polymerase Chain Reaction (PCR) method, microscopic examination of malaria parasites, and detection of anti PGL-1 with Enzyme-linked immunosorbent assay method. On Thursday-Friday, September 16-17, 2021, an SNI ISO/IEC 17025:2017 re-accreditation assessment has been carried out with the scope of the above tests. The event was opened with remarks from Prof. Maria Inge Lusida, dr., M.Kes., PhD., Sp.MK(K). as Chairman of the Institute for Tropical Diseases. Furthermore, a technical explanation of the assessment was carried out by assessors from the National Accreditation Committee (KAN). The assessors who conducted the assessment were Mardiana, S.T., M.Biomed as the Chief Assessor and Ratri Alfitasari as the assessor. And this event was also attended by Prof. Dr. Fedik Abdul Rantam, drh. as Secretary of the Institute for Tropical Diseases and representatives of laboratories within the scope of accredited testing. For 2 days, the assessors conducted questions and answers related to management, namely requirements 4, 5, and 8, as well as technical testing of each sample that came in from customers, namely requirements 6 and 7 in the guidelines for the requirements of SNI ISO/IEC 17025:2017. Of course there are some findings from assessors, namely 6 findings from management and 3 findings from technical testing. Based on the findings of the assessor, the Tropical Disease Institute will verify corrective actions for 2 months, until November 16, 2021.