site logo ICD-10 Fast

G31.84 Mild cognitive impairment of uncertain or unknown etiology

Billable/Specific

Applicable To

  • Mild cognitive disorder NOS
  • Mild neurocognitive disorder of uncertain or unknown etiology

Use Additional

  • code to identify presence of:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • hypertension (I10-I1A)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Type 1 Excludes

  • age related cognitive decline (R41.81)
  • altered mental status (R41.82)
  • cerebral degeneration (G31.9)
  • cerebrovascular diseases (I60-I69)
  • change in mental status (R41.82)
  • cognitive deficits following (sequelae of) cerebral hemorrhage or infarction (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)
  • cognitive impairment due to intracranial or head injury (S06.-)
  • dementia (F01.-, F02.-, F03.-)
  • mild neurocognitive disorder due to a known physiological condition (F06.7-)
  • neurologic neglect syndrome (R41.4)
  • personality change, nonpsychotic (F68.8)