F44.5 vs G40.82
F44.5 (Conversion disorder with seizures or convulsions) compared with G40.82 (Epileptic spasms), 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. G40.82 carries an Excludes1 note covering F44.5: “conversion disorder with seizures (F44.5)”
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
| F44.5Conversion disorder with seizures or convulsions | G40.82Epileptic spasms | |
|---|---|---|
| Billing status | Billable | Non-billable header |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Conversion disorder with seizures or convulsions is a billable ICD-10-CM diagnosis code (F44.5). | Epileptic spasms is a non-billable ICD-10-CM category code (G40.82). |
| Includes | conversion hysteria conversion reaction hysteria hysterical psychosis | Infantile spasms Salaam attacks West's syndrome |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources