Nail Disorder, Nonsyndromic Congenital, 3, also known as nonsyndromic congenital nail disorder 3, is related to leukonychia totalis and leukonychia totalis-acanthosis-nigricans-like lesions-abnormal hair syndrome. An important gene associated with Nail Disorder, Nonsyndromic Congenital, 3 is PLCD1 (Phospholipase C Delta 1). Affiliated tissues include kidney, and related phenotypes are leukonychia and concave nail