###### 145
-----

**E72.1 Disorders of sulfur-bearing amino-acid**

**metabolism**
Cystathioninuria
Homocystinuria
Methioninaemia
Sulfite oxidase deficiency
**_Excl.: transcobalamin II deficiency (D51.2)_**

**E72.2 Disorders of urea cycle metabolism**

Argininaemia
Argininosuccinic aciduria
Citrullinaemia
Hyperammonaemia
**_Excl.: disorders of ornithine metabolism (E72.4)_**

**E72.3 Disorders of lysine and hydroxylysine**

**metabolism**
Glutaric aciduria
Hydroxylysinaemia
Hyperlysinaemia
**_Excl.: Refsum disease (G60.1)_**

Zellweger syndrome (Q87.8)

**E72.4 Disorders of ornithine metabolism**

Ornithinaemia (types I, II)

**E72.5 Disorders of glycine metabolism**

Hyperhydroxyprolinaemia
Hyperprolinaemia (types I, II)
Non-ketotic hyperglycinaemia
Sarcosinaemia

**E72.8 Other specified disorders of amino-acid**

**metabolism**
Disorders of:

    - Beta-amino-acid metabolism

    - Gamma-glutamyl cycle

**E72.9 Disorder of amino-acid metabolism,**

**unspecified**