The number of confirmed cases of COVID-19 in East Java is 590,531 (9,41% of total national confirmed cases)\. The death toll in the province is 31,774. Diabetes Mellitus (DM) can cause systemic complications such that COVID-19 patients with DM have a high risk of serious illness and mortality. The characteristics and outcomes of COVID-19 patients with DM at the University of Muhammadiyah Malang General Hospital have never been reported before. Data were taken from medical records at the University of Muhammadiyah Malang General Hospital. The diagnosis of COVID-19 was obtained from a positive PCR swab. DM diagnosis was made by studying the patient history of DM or Random Blood Glucose (RBG) >200 mg/dL or HbA1c >7% sampling. Characteristics of the patients were age, gender, length of treatment, history of DM, and adherence to DM control. The supporting examinations were leukocytes, platelets, O2 saturation, RBG, HbA1c, CRP, and D-dimer, which were grouped into two groups: recovered and dead. Data were analyzed with the SPSS version 28. COVID-19 patients with DM from June 2020 to May 2021 were 206 (23.09%) out of 892 confirmed COVID-19. The majority of cases occurred in men (51.5%) and occurred in the age range of 51-60 years (38.3%). The number of patients who died was 38 (18.4%). The average platelet value was 286,191, the average leukocyte value was 7804, the average oxygen saturation was 90%, the average HbA1c value was 9.4%, the average CRP value was 68.99mg/L, and the average D-dimer value is 13,39ng/mL There was a significant difference in oxygen saturation and D-Dimer between recovered and dead patients. There were no significant differences in the results of other investigations. Keywords: COVID-19, DM, mortality, University of Muhammadiyah Malang General Hospital