J33: Nasal polyp
Codes under J33 (Nasal polyp). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J33.0 | Polyp of nasal cavity | ✓ |
| J33.0 | Polyp of nasal cavity | ✓ |
| J33.1 | Polypoid sinus degeneration | ✓ |
| J33.1 | Polypoid sinus degeneration | ✓ |
| J33.8 | Other polyp of sinus | ✓ |
| J33.8 | Other polyp of sinus | ✓ |
| J33.9 | Nasal polyp, unspecified | ✓ |
| J33.9 | Nasal polyp, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code J33?
J33 is an ICD-10-CM category covering Nasal polyp. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is J33 a billable code?
No — J33 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 J33.0 — Polyp of nasal cavity). 8 of the 8 codes under J33 are billable.
What codes fall under J33?
J33 includes J33.0, J33.0, J33.1, J33.1, J33.8, plus 3 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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