mitochondrial respiratory chain complex deficiency mitochondrial complex III deficiency https://github.com/monarch-initiative/mondo/issues/8334 https://www.malacards.org/card/isolated_complex_iii_deficiency https://www.malacards.org/card/mitochondrial_complex_iii_deficiency MEDGEN:377658 mitochondrial respiratory chain complex III deficiency isolated ubiquinone-cytochrome C reductase deficiency DOID:0111139 isolated coenzyme Q-cytochrome C reductase deficiency A rare, genetic, mitochondrial oxidative phosphorylation disorder characterized by a wide spectrum of clinical manifestations ranging from isolated myopathy or transient hepatopathy to severe multisystem disorder (that may include hypotonia, failure to thrive, psychomotor delay, cardiomyopathy, encephalopathy, renal tubulopathy, hearing impairment, lactic acidosis, hypoglycemia and other signs and symptoms). GARD:0008295 Orphanet:1460 MONDO:0015448 isolated mitochondrial respiratory chain complex III deficiency UMLS:C1852372 isolated CoQ-cytochrome C reductase deficiency