MONDO_0011852 (nonsyndromic congenital nail disorder 8) is any inherited isolated nail anomaly in which the cause of the disease is a mutation in the COL7A1 gene. Also known as: COL7A1 inherited isolated nail anomaly, inherited isolated nail anomaly caused by mutation in COL7A1, nail disorder, nonsyndromic congenital, type 8, nonsyndromic congenital nail disorder type 8.