Table 1.

Aetiological classification of diabetes mellitus2

Gestational diabetes
Genetic defects of beta-cell functionTransient neonatal diabetes
Permanent neonatal diabetes
Mitochondrial DNA mutations
Genetic defects in insulin actionType A insulin resistance
Leprechaunism
Rabson–Mendenhall syndrome
Lipoatrophic diabetes
Disease of the exocrine pancreasPancreatitis
Trauma/pancreatectomy
Neoplasia
Cystic fibrosis
Haemochromatosis
Fibrocalculous pancreatopathy
EndocrinopathiesAcromegaly
Cushing's syndrome
Glucagonoma
Phaeochromocytoma
Hyperthyroidism
Somatostatinoma
Drug inducedPentamidine
Nicotinic acid
Glucocorticoids
Thyroid hormone
Diazoxide
Beta-adrenergic agonists
Thiazides
Gamma-interferon
Immunotherapy etc
InfectionsCongenital rubella
Cytomegalovirus
Uncommon forms of immune-mediated diabetesStiff-man syndrome
Anti-insulin receptor antibodies
Other genetic syndromes associated with diabetesDown syndrome
Klinefelter syndrome
Turner syndrome
Wolfram syndrome
Friedreich ataxia
Huntington chorea
Laurence–Moon–Biedl syndrome
Myotonic dystrophy
Porphyria
Prader–Willi syndrome