Combined Malonic and Methylmalonic Aciduria, also known as combined malonic and methylmalonic acidemia, is related to isolated methylmalonic acidemia and methylmalonic acidemia. An important gene associated with Combined Malonic and Methylmalonic Aciduria is ACSF3 (Acyl-CoA Synthetase Family Member 3), and among its related pathways/superpathways are Metabolism and Fatty acid metabolism. Affiliated tissues include brain, and related phenotypes are methylmalonic aciduria and dicarboxylic aciduria