F19 vs R41.3
F19 (Other psychoactive substance related disorders) compared with R41.3 (Other amnesia), 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. R41.3 carries an Excludes1 note covering F19: “amnestic syndrome due to psychoactive substance use (F10-F19 with 5th character .6)”
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
| F19Other psychoactive substance related disorders | R41.3Other amnesia | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Other psychoactive substance related disorders is a non-billable ICD-10-CM category code (F19). | Other amnesia is a billable ICD-10-CM diagnosis code (R41.3). |
| Includes | polysubstance drug use (indiscriminate drug use) | Amnesia NOS Memory loss NOS |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources