Monarch Disease Ontology identifier MONDO_0014549 (lethal congenital contracture syndrome 6) is any lethal congenital contracture syndrome in which the cause of the disease is a mutation in the ZBTB42 gene. Also known as: ZBTB42 lethal congenital contracture syndrome, lethal congenital contracture syndrome caused by mutation in ZBTB42, lethal congenital contracture syndrome type 6.