Mild cognitive impairment of uncertain or unknown etiology

**Inclusion terms:** - Mild cognitive disorder NOS - Mild neurocognitive disorder of uncertain or unknown etiology

**Excludes1:** - 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)

**Use additional code:** - 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)