E72 - Other disorders of amino-acid metabolism
E72.2 - Disorders of urea cycle metabolism
Excludes 1:
-disorders of ornithine metabolism E72.4)
E72.20 - Disorder of urea cycle metabolism, unspecified
E72.21 - Argininemia
E72.22 - Arginosuccinic aciduria
E72.23 - Citrullinemia
E72.29 - Other disorders of urea cycle metabolism