Lethal Congenital Contracture Syndrome 9, also known as lccs9, is related to lethal congenital contracture syndrome and congenital contractures. An important gene associated with Lethal Congenital Contracture Syndrome 9 is ADGRG6 (Adhesion G Protein-Coupled Receptor G6). Affiliated tissues include skeletal muscle and lung, and related phenotypes are abnormality of the diaphragm and arthrogryposis multiplex congenita