ICD-10-CM Codes 2026 (USA)

• G31.84	Mild cognitive impairment of uncertain or unknown etiology

• G31.01	Pick's disease
  G31.09	Other frontotemporal neurocognitive disorder
  G31.1	Senile degeneration of brain, not elsewhere classified
  G31.2	Degeneration of nervous system due to alcohol
  G31.80	Leukodystrophy, unspecified
  G31.81	Alpers disease
  G31.82	Leigh's disease
  G31.83	Neurocognitive disorder with Lewy bodies
  G31.84	Mild cognitive impairment of uncertain or unknown etiology
  G31.85	Corticobasal degeneration
  G31.86	Alexander disease
  G31.89	Other specified degenerative diseases of nervous system
  G31.9	Degenerative disease of nervous system, unspecified

Created by Peter Blahut, MD