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F04 ICD-10-CM Code: Amnestic disorder due to known physiological condition

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

F04

Amnestic disorder due to known physiological condition

ICD-10-CM diagnosis code · United States clinical modification

Where F04 sits

  1. 1

    Chapter 5

    Mental, Behavioral and Neurodevelopmental disorders (F01-F99)

  2. 2

    Section

    Mental disorders due to known physiological conditions (F01-F09)

  3. 3

    Category F04

    Amnestic disorder due to known physiological condition

  4. 4

    Code F04

    Amnestic disorder due to known physiological condition

Notes for this code

Inclusion terms

  • Korsakov's psychosis or syndrome, nonalcoholic

Code first

  • the underlying physiological condition

Use additional code

No “use additional code” instruction is listed for F04.

Excludes1

Conditions that should not be reported together with this code.

  • amnesia NOS (R41.3)
  • anterograde amnesia (R41.1)
  • dissociative amnesia (F44.0)
  • retrograde amnesia (R41.2)

Excludes2

Conditions not included here that may be reported separately when present.

  • 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)

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Frequently asked questions

What does ICD-10-CM code F04 mean?

F04 is the FY 2027 U.S. ICD-10-CM code for “Amnestic disorder due to known physiological condition.”

Is F04 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, F04 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is F04 located in ICD-10-CM?

F04 is listed in Chapter 5, Mental, Behavioral and Neurodevelopmental disorders (F01-F99), within Mental disorders due to known physiological conditions (F01-F09) (F01–F09), under category F04, Amnestic disorder due to known physiological condition.

What coding notes are listed for F04?

Its listed inclusion terms are Korsakov's psychosis or syndrome, nonalcoholic. Code-first instructions: the underlying physiological condition. Excludes1 notes: amnesia NOS (R41.3); anterograde amnesia (R41.1); dissociative amnesia (F44.0); retrograde amnesia (R41.2). Excludes2 notes: 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).