D33: Benign neoplasm of brain and other parts of central nervous system
Codes under D33 (Benign neoplasm of brain and other parts of central nervous system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D33.0 | Benign neoplasm of brain, supratentorial | ✓ |
| D33.0 | Benign neoplasm of brain, supratentorial | ✓ |
| D33.1 | Benign neoplasm of brain, infratentorial | ✓ |
| D33.1 | Benign neoplasm of brain, infratentorial | ✓ |
| D33.2 | Benign neoplasm of brain, unspecified | ✓ |
| D33.2 | Benign neoplasm of brain, unspecified | ✓ |
| D33.3 | Benign neoplasm of cranial nerves | ✓ |
| D33.3 | Benign neoplasm of cranial nerves | ✓ |
| D33.4 | Benign neoplasm of spinal cord | ✓ |
| D33.4 | Benign neoplasm of spinal cord | ✓ |
| D33.7 | Benign neoplasm of other specified parts of central nervous system | ✓ |
| D33.7 | Benign neoplasm of other specified parts of central nervous system | ✓ |
| D33.9 | Benign neoplasm of central nervous system, unspecified | ✓ |
| D33.9 | Benign neoplasm of central nervous system, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code D33?
D33 is an ICD-10-CM category covering Benign neoplasm of brain and other parts of central nervous system. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is D33 a billable code?
No — D33 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example D33.0 — Benign neoplasm of brain, supratentorial). 14 of the 14 codes under D33 are billable.
What codes fall under D33?
D33 includes D33.0, D33.0, D33.1, D33.1, D33.2, plus 9 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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