E88..4 Mitochondrial metabolism disorders

Excludes 1 (cannot be coded together)

• disorders of pyruvate metabolism (E74.4)
• Kearns-Sayre syndrome (H49.81)
• Leber's disease (H47.22)
• Leigh's encephalopathy (G31.82)
• Mitochondrial myopathy, NEC (G71.3)
• Reye's syndrome (G93.7)