C30: Malignant neoplasm of nasal cavity and middle ear
Codes under C30 (Malignant neoplasm of nasal cavity and middle ear). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C30.0 | Malignant neoplasm of nasal cavity | ✓ |
| C30.0 | Malignant neoplasm of nasal cavity | ✓ |
| C30.1 | Malignant neoplasm of middle ear | ✓ |
| C30.1 | Malignant neoplasm of middle ear | ✓ |
Frequently asked questions
What is ICD-10-CM code C30?
C30 is an ICD-10-CM category covering Malignant neoplasm of nasal cavity and middle ear. It contains 4 more specific diagnosis codes, 4 of which are billable.
Is C30 a billable code?
No — C30 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 C30.0 — Malignant neoplasm of nasal cavity). 4 of the 4 codes under C30 are billable.
What codes fall under C30?
C30 includes C30.0, C30.0, C30.1, C30.1. 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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