CBLC and homocystinuria: After predictive analyses of variant gene-related diseases, the highest number of related diseases appeared to be methylmalonic aciduria and homocystinuria, cblC type (OMIM#277400; MMACHC), propionic acidemia (OMIM#606054; PCCA and PCCB), and methylmalonic aciduria, mut type (OMIM#251000; MMUT), which were detected in four cases.