F04
✓ Billable
Amnestic disorder due to known physiological condition
ICD-10-CM · FY2026 · Mental, Behavioral and Neurodevelopmental Disorders
Code
F04
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Mental, Behavioral and Neurodevelopmental Disorders
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Also known as
- Korsakov's psychosis or syndrome, nonalcoholic
Excludes1 — never code together
- amnesia NOS (R41.3)
- anterograde amnesia (R41.1)
- dissociative amnesia (F44.0)
- retrograde amnesia (R41.2)
Excludes2 — not included here, but may code together
- 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
Frequently asked questions
What is ICD-10 code F04?
ICD-10-CM code F04 represents Amnestic disorder due to known physiological condition. It is a billable diagnosis code in the Mental, Behavioral and Neurodevelopmental Disorders chapter, effective October 1, 2025 – September 30, 2026.
Is F04 billable?
Yes. F04 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is F04 in?
F04 belongs to the Mental, Behavioral and Neurodevelopmental Disorders chapter (F01–F99) of ICD-10-CM.
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