AIM To estimate the direct medical cost of type 2 diabetes mellitus (T2DM) and its complications in Vietnam. METHODS Using the public payer perspective, the direct medical cost was estimated using routine data in the national claims database in Vietnam in 2017. People were identified as being diagnosed with T2DM if they were aged ≥ 30 years and who either (1) had at least one ICD-10 code E11 or (2) had been prescribed with oral antihyperglycemic medication on two separate visit records. The Diabetes Severity Complications Index was used to assess the presence of diabetes-related complications. All costs were standardized to 2017 United States dollars (USD). RESULTS Of the 1,395,204 people identified with T2DM, 55% had diabetes-related complications. The most common complication was cardiovascular diseases (34%). The total direct medical cost was USD 435 million, of which 24% was spent on hospitalization, 20% on outpatient care, 7% on emergency care, 36% on non-diabetes-related medication, and 13% on antihyperglycemic medication. About 70% of the total direct medical costs were attributed to diabetes-related complications. CONCLUSION The high proportion of hospitalization and complications costs in Vietnam suggests that the possibility exists to make economic savings through better preventative care.

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越南糖尿病及其并发症的直接医疗费用：国家健康保险数据库研究。

目的估计越南2型糖尿病（T2DM）及其并发症的直接医疗费用。方法使用公共付款人的角度，使用越南国家索赔数据库中的常规数据估算2017年的直接医疗费用。如果年龄≥30岁且至少有（1）岁以下的人被诊断为患有T2DM在两个单独的就诊记录中，已给一种ICD-10编码E11或（2）开了口服降糖药。糖尿病严重并发症指数用于评估糖尿病相关并发症的存在。所有成本均标准化为2017年美元（USD）。结果在1395204名被确诊为T2DM的人中，有55％患有糖尿病相关并发症。最常见的并发症是心血管疾病（34％）。直接医疗总费用为4.35亿美元，其中24％用于住院，20％用于门诊，7％用于急诊，36％用于非糖尿病相关药物以及13％用于降糖药物。直接医疗总费用中约有70％归因于糖尿病相关并发症。结论越南住院和并发症费用的比例很高，表明存在通过更好的预防保健节省经济的可能性。