ICD-10-CM · Chapter 5 · F01-F99
F04 Amnestic disorder due to known physiological condition
Includes
- Korsakov's psychosis or syndrome, nonalcoholic
Excludes 1 (cannot be coded together)
- amnesia NOS (R41.3)
- anterograde amnesia (R41.1)
- dissociative amnesia (F44.0)
- retrograde amnesia (R41.2)
Excludes 2 (not included here)
- 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)
Code First
- the underlying physiological condition
This category is a complete, billable diagnosis code.
No additional specificity is required — submit F04 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026