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

F04 is the billable ICD-10-CM code for “Amnestic disorder due to known physiological condition” in the FY 2027 U.S. code set, effective Oct 1, 2026.

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).