D33 vs D36.1
D33 (Benign neoplasm of brain and other parts of central nervous system) compared with D36.1 (Benign neoplasm of peripheral nerves and autonomic nervous system), 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. D33 carries an Excludes1 note covering D36.1: “benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-)”
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
| D33Benign neoplasm of brain and other parts of central nervous system | D36.1Benign neoplasm of peripheral nerves and autonomic nervous system | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Benign neoplasm of brain and other parts of central nervous system is a non-billable ICD-10-CM category code (D33). | Benign neoplasm of peripheral nerves and autonomic nervous system is a non-billable ICD-10-CM category code (D36.1). |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources