B02.22 vs G53
B02.22 (Postherpetic trigeminal neuralgia) compared with G53 (Cranial nerve disorders in diseases classified elsewhere), 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. G53 carries an Excludes1 note covering B02.22: “postherpetic trigeminal neuralgia (B02.22)”
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
| B02.22Postherpetic trigeminal neuralgia | G53Cranial nerve disorders in diseases classified elsewhere | |
|---|---|---|
| Billing status | Billable | Billable |
| Classification | A00-B99 — Certain Infectious and Parasitic Diseases (A00-B99) | G00-G99 — Diseases of the Nervous System (G00-G99) |
| Definition | Postherpetic trigeminal neuralgia is a billable ICD-10-CM diagnosis code (B02.22). | Cranial nerve disorders in diseases classified elsewhere is a billable ICD-10-CM diagnosis code (G53). |
| Includes | shingles zona | — |
| Code first | — | underlying disease, such as: neoplasm (C00-D49) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources