G31.82

Applicable To

• Subacute necrotizing encephalopathy

Approximate Synonyms

• Leighs disease

Clinical Information

• A group of metabolic disorders primarily of infancy characterized by the subacute onset of psychomotor retardation, hypotonia, ataxia, weakness, vision loss, eye movement abnormalities, seizures, dysphagia, and lactic acidosis. Pathological features include spongy degeneration of the neuropile of the basal ganglia, thalamus, brain stem, and spinal cord. Patterns of inheritance include x-linked recessive, autosomal recessive, and mitochondrial. Leigh disease has been associated with mutations in genes for the pyruvate dehydrogenase complex; cytochrome-c oxidase; atp synthase subunit 6; and subunits of mitochondrial complex i. from menkes, textbook of child neurology, 5th ed, p850).

• An inherited disorder affecting the nervous system, caused by genetic mutations in the mitochondrial dna or deficiency of pyruvate dehydrogenase. Signs and symptoms appear in infancy and include loss of the motor abilities, poor sucking abilities, irritability, lack of muscle tone, and seizures.

Details

• G31.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM G31.82 became effective on October 1, 2022.

• This is the American ICD-10-CM version of G31.82 – other international versions of ICD-10 G31.82 may differ.