D33.2 is the authoritative medical code for Benign neoplasm of brain, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for benign neoplasm of brain, unspecified (ICD-10-CM D33.2), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Benign neoplasm of brain, unspecified is a billable ICD-10-CM diagnosis code D33.2. Excludes1 (not coded here): 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-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D33.2 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
What can't be coded together with D33.2?
Per Excludes1 instructions, D33.2 must not be reported with: angioma (D18.0-); benign neoplasm of meninges (D32.-); benign neoplasm of peripheral nerves and autonomic nervous system (D36.1-); hemangioma (D18.0-).
Codes in This Family (7)
Official ICD-10-CM classifications in the same code family as D33.2, with their registry titles.
- D33 — Benign neoplasm of brain and other parts of central nervous system
- D33.0 — Benign neoplasm of brain, supratentorial
- D33.1 — Benign neoplasm of brain, infratentorial
- 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
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Ependymoma (epithelial) (malignant), benign, unspecified site
Neoplasm Table Sites (14)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, brain NEC — Benign
- Neoplasm, neoplastic, brain NEC, corpus callosum — Benign
- Neoplasm, neoplastic, brain NEC, tapetum — Benign
- Neoplasm, neoplastic, corpus, callosum, brain — Benign
- Neoplasm, neoplastic, cranial (fossa, any) — Benign
- Neoplasm, neoplastic, fossa (of), anterior (cranial) — Benign
- Neoplasm, neoplastic, fossa (of), cranial — Benign
- Neoplasm, neoplastic, fossa (of), middle (cranial) — Benign
- Neoplasm, neoplastic, fossa (of), posterior (cranial) — Benign
- Neoplasm, neoplastic, intracranial NEC — Benign
- Neoplasm, neoplastic, motor tract, brain — Benign
- Neoplasm, neoplastic, posterior fossa (cranial) — Benign
- Neoplasm, neoplastic, suprasellar (region) — Benign
- Neoplasm, neoplastic, tapetum, brain — Benign
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: