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ICD-10-CM 2027

ICD-10 code for nonalcoholic wernicke-korsakoff's syndrome or psychosis

F04

Amnestic disorder due to known physiological condition

✓ Billable / specific

From the official ICD-10-CM alphabetic index entry “Wernicke-Korsakoff's syndrome or psychosis (alcoholic) › nonalcoholic”. Page updated September 29, 2026.

About coding nonalcoholic wernicke-korsakoff's syndrome or psychosis

The ICD-10-CM code for nonalcoholic wernicke-korsakoff's syndrome or psychosis is F04 (Amnestic disorder due to known physiological condition).

Don't report F04 together with the conditions in its Excludes1 note: amnesia NOS (R41.3), anterograde amnesia (R41.1), dissociative amnesia (F44.0) and retrograde amnesia (R41.2).

The conditions in its Excludes2 note aren't part of F04, but may be coded alongside it if the patient has both: alcohol-induced or unspecified Korsakov's syndrome (F10.26, F10.96) and Korsakov's syndrome induced by other psychoactive substances (F13.26, F13.96, F19.16, F19.26, F19.96).

Code first: the underlying physiological condition.

Don't confuse with (Excludes1 for F04)

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

Common questions about nonalcoholic wernicke-korsakoff's syndrome or psychosis ICD-10 codes

What is the ICD-10 code for nonalcoholic wernicke-korsakoff's syndrome or psychosis?

F04 — Amnestic disorder due to known physiological condition.

Is F04 billable?

Yes. F04 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).

Can F04 be used as a principal diagnosis?

Yes. The Medicare Code Editor doesn't restrict F04 as a principal diagnosis.

Is F04 a CC or MCC?

No. F04 is neither a CC nor an MCC under MS-DRG v44.0.