has material basis in germline mutation in COQ8A autosomal recessive ataxia due to ubiquinone deficiency https://www.malacards.org/card/coenzyme_q10_deficiency_primary_4 SCAR9 UMLS:C2677589 coenzyme Q10 deficiency, primary, 4 MONDO:0012784 This syndrome is characterized by childhood-onset progressive ataxia and cerebellar atrophy. coenzyme Q10 deficiency, primary, type 4 autosomal recessive spinocerebellar ataxia type 9 DOID:0070241 Orphanet:139485 autosomal recessive spinocerebellar ataxia 9 SCTID:725394006 OMIM:612016 ARCA2 autosomal recessive ataxia due to coenzyme Q10 deficiency COQ10D4 GARD:0010294 MEDGEN:436985 MESH:C567436 autosomal recessive cerebellar ataxia type 2 autosomal recessive cerebellar ataxia coenzyme Q10 deficiency