The neonatal form of carnitine palmitoyltransferase II (CPT II) deficiency, an inherited disorder that affects mitochondrial oxidation of long chain fatty acids (LCFA), is the lethal form of the disease which presents with multisystem failure. The disease is carnitine palmitoyl transferase II deficiency, neonatal form (MONDO_0012136). Also known as: CPT II deficiency, lethal neonatal, CPT2, lethal systemic form, CPT2, neonatal form, CPTII, lethal systemic form, CPTII, neonatal form, Carnitine palmitoyl transferase II deficiency, lethal systemic form, Carnitine palmitoyl transferase deficiency type 2, lethal systemic form, Carnitine palmitoyl transferase deficiency type 2, neonatal form.