G40.82 vs R56.1
G40.82 (Epileptic spasms) compared with R56.1 (Post traumatic seizures), 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 R56.1: “post traumatic seizures (R56.1)”
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. R56.1 carries an Excludes1 note covering G40.82: “post traumatic epilepsy (G40.-)”
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. R56.1 carries an Excludes1 note covering G40.82: “epileptic convulsions and seizures (G40.-)”
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
| G40.82Epileptic spasms | R56.1Post traumatic seizures | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | G00-G99 — Diseases of the Nervous System (G00-G99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Epileptic spasms is a non-billable ICD-10-CM category code (G40.82). | Post traumatic seizures is a billable ICD-10-CM diagnosis code (R56.1). |
| Includes | 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