J33Header code — not billable
Nasal polyp
- Chapter
- 10. Diseases of the respiratory system
- Category
- J33
- Effective date
- October 1, 2026
Related codes in category J33
Frequently asked questions
What is ICD-10 code J33?
J33 is an ICD-10-CM diagnosis code for Nasal polyp.
Is J33 a billable code?
No. J33 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is J33 in?
J33 falls under Chapter 10: Diseases of the respiratory system.
When did J33 become effective?
J33 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to J33?
J33 belongs to category J33, which includes 4 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.