F44.5 vs G40.B09
F44.5 (Conversion disorder with seizures or convulsions) compared with G40.B09 (Juvenile myoclonic epilepsy, not intractable, without status epilepticus), 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.B09 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.B09Juvenile myoclonic epilepsy, not intractable, without status epilepticus | |
|---|---|---|
| Billing status | Billable | Billable |
| 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). | Juvenile myoclonic epilepsy, not intractable, without status epilepticus is a billable ICD-10-CM diagnosis code (G40.B09). |
| Includes | conversion hysteria conversion reaction hysteria hysterical psychosis | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources