All
 C16 Congenital, Hereditary, and Neonatal Diseases and Abnormalities D009358 +
 C16.320 Genetic Diseases, Inborn D030342 +
 C16.320.322 Genetic Diseases, X-Linked D040181 +
 C16.320.322.500 Mental Retardation, X-Linked D038901 +
 C16.320.322.500.625 Lesch-Nyhan Syndrome D007926