Carnitine Palmitoyltransferase Ii Deficiency, Lethal Neonatal, also known as cpt ii deficiency, lethal neonatal, is related to carnitine palmitoyltransferase ii deficiency, infantile and carnitine palmitoyltransferase ii deficiency, myopathic, stress-induced, and has symptoms including apnea, lethargy and seizures. An important gene associated with Carnitine Palmitoyltransferase Ii Deficiency, Lethal Neonatal is CPT2 (Carnitine Palmitoyltransferase 2). Affiliated tissues include kidney and heart, and related phenotypes are myoglobinuria and decreased plasma total carnitine