Health care providers now have a road map for treating two types of congenital disorders of glycosylation: MPI-CDG and PGM1-CDG. A team of international experts from the Frontiers in Congenital Disorders of Glycosylation Consortium (FCDGC) published new guidelines for the diagnosis and management of MPI-CDG and PGM1-CDG in the Journal of Inherited Metabolic Disease.