MONDO_0017933 (hypertrophic cardiomyopathy and renal tubular disease due to mitochondrial DNA mutation) is a mitochondrial oxidative phosphorylation disorder characterized by hypertrophic and dilated cardiomyopathy, failure to thrive, myopathy with generalized hypotonia and increased creatine kinase, developmental delay and/or regression with cerebral atrophy on brain MRI, renal manifestations including chronic renal failure, renal tubular acidosis and lactic acidosis. Additional clinical features include seizures and respiratory failure. Also known as: hypertrophic cardiomyopathy and renal tubular disease due to mtDNA mutation.