ICD-10-CM > F01-F99 > F01-F09 > F04 F04 Amnestic disorder due to known physiological condition Billable/Specific Copy Code Copy Description Applicable To Korsakov's psychosis or syndrome, nonalcoholic Code First the underlying physiological condition Type 1 Excludes amnesia NOS (R41.3)anterograde amnesia (R41.1)dissociative amnesia (F44.0)retrograde amnesia (R41.2) Type 2 Excludes alcohol-induced or unspecified Korsakov's syndrome (F10.26, F10.96)Korsakov's syndrome induced by other psychoactive substances (F13.26, F13.96, F19.16, F19.26, F19.96)