An inherited metabolic disease that is has its basis in the disruption of serine family amino acid metabolic process. The disease is inborn disorder of serine family metabolism (MONDO_0019239, a Monarch Disease Ontology term). Also known as: inborn disorder of serine or glycine metabolism, inborn error of serine family amino acid metabolic process, inborn serine family amino acid metabolic process disorder, rare inborn error of serine family amino acid metabolic process.