D43: Neoplasm of uncertain behavior of brain and central nervous system
Codes under D43 (Neoplasm of uncertain behavior of brain and central nervous system). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| D43.0 | Neoplasm of uncertain behavior of brain, supratentorial | ✓ |
| D43.0 | Neoplasm of uncertain behavior of brain, supratentorial | ✓ |
| D43.1 | Neoplasm of uncertain behavior of brain, infratentorial | ✓ |
| D43.1 | Neoplasm of uncertain behavior of brain, infratentorial | ✓ |
| D43.2 | Neoplasm of uncertain behavior of brain, unspecified | ✓ |
| D43.2 | Neoplasm of uncertain behavior of brain, unspecified | ✓ |
| D43.3 | Neoplasm of uncertain behavior of cranial nerves | ✓ |
| D43.3 | Neoplasm of uncertain behavior of cranial nerves | ✓ |
| D43.4 | Neoplasm of uncertain behavior of spinal cord | ✓ |
| D43.4 | Neoplasm of uncertain behavior of spinal cord | ✓ |
| D43.8 | Neoplasm of uncertain behavior of other specified parts of central nervous system | ✓ |
| D43.8 | Neoplasm of uncertain behavior of other specified parts of central nervous system | ✓ |
| D43.9 | Neoplasm of uncertain behavior of central nervous system, unspecified | ✓ |
| D43.9 | Neoplasm of uncertain behavior of central nervous system, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code D43?
D43 is an ICD-10-CM category covering Neoplasm of uncertain behavior of brain and central nervous system. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is D43 a billable code?
No — D43 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 D43.0 — Neoplasm of uncertain behavior of brain, supratentorial). 14 of the 14 codes under D43 are billable.
What codes fall under D43?
D43 includes D43.0, D43.0, D43.1, D43.1, D43.2, 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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