F10.1 vs F10.9
F10.1 (Alcohol abuse) compared with F10.9 (Alcohol use, unspecified), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. F10.1 carries an Excludes1 note covering F10.9: “alcohol use, unspecified (F10.9-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. F10.9 carries an Excludes1 note covering F10.1: “alcohol abuse (F10.1-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| F10.1Alcohol abuse | F10.9Alcohol use, unspecified | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) |
| Definition | Alcohol abuse is a non-billable ICD-10-CM category code (F10.1). | Alcohol use, unspecified is a non-billable ICD-10-CM category code (F10.9). |
| Use additional code | code for blood alcohol level, if applicable (Y90.-) | code for blood alcohol level, if applicable (Y90.-) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources