D33 ICD-10-CM Code: Benign neoplasm of brain and other parts of central nervous system
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Benign neoplasm of brain and other parts of central nervous system is a non-billable ICD-10-CM category code (D33). A more specific billable subcode must be selected for claims submission.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D33 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- angioma (D18.0-)
- benign neoplasm of meninges (D32.-)
- benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-)
- hemangioma (D18.0-)
- neurofibromatosis (Q85.0-)
- retro-ocular benign neoplasm (D31.6-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Can D33 be billed directly?
No. D33 (Benign neoplasm of brain and other parts of central nervous system) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to D33 in its code family, with their registry titles.
- D33.0 — Benign neoplasm of brain, supratentorial
- D33.1 — Benign neoplasm of brain, infratentorial
- D33.2 — Benign neoplasm of brain, unspecified
- D33.3 — Benign neoplasm of cranial nerves
- D33.4 — Benign neoplasm of spinal cord
- D33.7 — Benign neoplasm of other specified parts of central nervous system
- D33.9 — Benign neoplasm of central nervous system, unspecified