F04 vs F10.26
F04 (Amnestic disorder due to known physiological condition) compared with F10.26 (Alcohol dependence with alcohol-induced persisting amnestic disorder), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. F04 carries an Excludes2 note covering F10.26: “alcohol-induced or unspecified Korsakov's syndrome (F10.26, F10.96)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F04Amnestic disorder due to known physiological condition | F10.26Alcohol dependence with alcohol-induced persisting amnestic disorder | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Amnestic disorder due to known physiological condition is a billable ICD-10-CM diagnosis code (F04). | Alcohol dependence with alcohol-induced persisting amnestic disorder is a billable ICD-10-CM diagnosis code (F10.26). |
| Includes | Korsakov's psychosis or syndrome, nonalcoholic | Alcohol use disorder, moderate, with alcohol-induced major neurocognitive disorder, amnestic-confabulatory type Alcohol use disorder, severe, with alcohol-induced major neurocognitive disorder, amnestic-confabulatory type |
| Use additional code | — | code for blood alcohol level, if applicable (Y90.-) |
| Code first | the underlying physiological condition | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources