SLC25A13 and citrullinemia type I: In all patients with citrullinemia, the most common mutation was c.IVS16ins3Kb of SLC25A13 gene, accounting for 25.0% of mutational alleles and 50.0% of patients, followed by c.852_855delTATG of SLC25A13 gene (18.8% and 37.5%).