Hyperinsulinism Congenital Hyperinsulinism [18,19]
Deficiency of counter regulatory hormones Congenital hypopituitarism
ACTH deficiency
Isolated GH deficiency
Congenital glucagon deficiency
Cortisol deficiency
Congenital Adrenal hyperplasia
Adrenal Hypoplasia Congenita
Familial Glucocorticoid deficiency
Dopamine β-hydroxylase deficiency
[22-24]
[25-27]
[28]
[29]
[30,31]
[32-36]
[37]
[38]
[39,40]
Disorders of hepatic glycogen synthesis and release GSD I – Von Gierke Disease
GSD type III
GSD VI (Hers Disease)
GSD IX b, c
GSD 0
[42,43]
[44,45]
[46]
[48,49]
[51]
Disorders of fructose metabolism Hereditary Fructose intolerance [53]
Disorders of gluconeogenesis Fructose-1, 6-bisphosphatase deficiency
Phosphoenolpyruvate carboxykinase deficiency (PEPCK)
Pyruvate carboxylase deficiency
[55]
[57,58]
[60]
Disorders of galactose metabolism Galactosaemia [62-64]
Hereditary Defects in Amino Acid Metabolism Maple Syrup Urine Disease
Propionic acidaemia
Methylmalonic acidaemia
Tyrosinaemia
[66,67]
[69]
[68,70]
[72]
Hereditary Defects in Fatty Acid Metabolism Defects in β-oxidation
MCAD deficiency
LCHAD deficiency
SCHAD deficiency

[75]
[76]
[78]
Disorders of Carnitine Metabolism Primary Carnitine deficiency
(CPT- I) deficiency
CACT deficiency
(CPT-II) deficiency
[80]
[82]
[83]
[84,85]
Disorders of mitochondrial metabolism ETF deficiency / ETFDH deficiency [86]
Disorders of Ketone body synthesis and utilisation HMG Co A synthase deficiency
HMG Co A lyase deficiency
β-ketothiolase deficiency
SCOT deficiency
[89]
[90]
[92]
[94,95]
Syndromes Associated with Hypoglycaemia Beckwith-Wiedemann Syndrome (BWS)
Laron syndrome
Glucocorticoid Resistance syndrome
Leprechaunism
Rabson-Mendenhall syndrome
Sotos syndrome
Timothy syndrome
[96]
[98]
[99]
[100]
[100]
[104]
[105]
Miscellaneous disorders Defects in Citrin metabolism
Activating AKT2 mutations
[108]
[110]
Table 1: Genetic causes of hypoglycaemia