coenzyme Q10 deficiency, primary, 3 (MONDO_0013838) is any coenzyme Q10 deficiency in which the cause of the disease is a mutation in the PDSS2 gene. Also known as: PDSS2 coenzyme Q10 deficiency, coenzyme Q10 deficiency caused by mutation in PDSS2, coenzyme Q10 deficiency, primary, type 3.