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. Author manuscript; available in PMC: 2021 Oct 8.
Published in final edited form as: Diabetologia. 2020 Sep 7;63(10):2040–2048. doi: 10.1007/s00125-020-05211-7

Table 1.

Diabetes classification according to the ADA [1]

Type Description
Type 1 diabetes Caused by autoimmune beta cell destruction, usually leading to absolute insulin deficiency
Type 2 diabetes Caused by progressive loss of adequate insulin secretion, frequently with insulin resistance
Gestational diabetes Diagnosed in the second or third trimesters, without overt diabetes prior to gestation
Monogenic diabetes There are two subgroups: MODY, and neonatal diabetes
Disease of the exocrine pancreas Caused by pancreatitis, cystic fibrosis, and other disorders of the pancreas.
Chemical or drug-induced Caused by glucocorticoids, HIV/AIDS drugs, organ transplantation drugs