carnitine palmitoyltransferase II deficiency (MONDO_0015515, a Monarch Disease Ontology entry) can be described as follows. Carnitine palmitoyltransferase II (CPT II) deficiency is an inherited metabolic disorder that affects mitochondrial oxidation of long chain fatty acids (LCFA). Three forms of CPT II deficiency have been described: a myopathic form, a severe infantile form and a neonatal form. Also known as: CPT II deficiency, CPT-II, CPT2, CPTII, Carnitine palmitoyltransferase deficiency type 2, infantile carnitine palmitoyltransferase II deficiency, late-onset carnitine palmitoyltransferase II deficiency, lethal neonatal carnitine palmitoyltransferase II deficiency.