J33 – Nasal polyp
ICD-10-CM 2027 diagnosis code · Other diseases of upper respiratory tract
ICD-10-CM code
J33
- Code
J33(claims format:J33)- Description
- Nasal polyp
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 10. Diseases of the respiratory system (J00-J99)
- Block
- J30-J39 Other diseases of upper respiratory tract
Billable codes under J33
J33 is a header code and cannot be used on claims. Choose the most specific code:
- J33.0 – Polyp of nasal cavityBillable
- J33.1 – Polypoid sinus degenerationBillable
- J33.8 – Other polyp of sinusBillable
- J33.9 – Nasal polyp, unspecifiedBillable
Notes for J33
Excludes1 (not coded here):
- adenomatous polyps (D14.0)
Frequently asked questions
What is ICD-10 code J33?
J33 is the ICD-10-CM code for nasal polyp, in the block J30-J39 (Other diseases of upper respiratory tract).
Is J33 a billable code?
No. J33 is a header code with more specific child codes; report one of the billable codes listed above.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.