chromosome 16p12.2-p11.2 deletion syndrome (Monarch Disease Ontology term MONDO_0013320) can be described as follows. 16p11.2-p12.2 microdeletion syndrome is a recently described syndrome characterized by developmental delay and facial dysmorphism. Also known as: 16p11.2-p12.2 microdeletion syndrome, 16p11.2p12.2 microdeletion syndrome, Del(16)(p11.2p12.2), chromosome 16p12.2-p11.2 deletion syndrome, isolated cases, monosomy 16p11.2-p12.2, monosomy 16p11.2p12.2.