ICD-10-CM
ICD-10 code for Adenoiditis: J35.02
The ICD-10-CM index points "Adenoiditis" to J35.02, Chronic adenoiditis. J35.02 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
More specific codes in J35
A header groups codes and is not billed. A billable code is one you can report.
- J35Chronic diseases of tonsils and adenoidsHeader
- J35.0Chronic tonsillitis and adenoiditisHeader
- J35.01Chronic tonsillitisBillable
- J35.02Chronic adenoiditisBillable
- J35.03Chronic tonsillitis and adenoiditisBillable
- J35.1Hypertrophy of tonsilsBillable
- J35.2Hypertrophy of adenoidsBillable
- J35.3Hypertrophy of tonsils with hypertrophy of adenoidsBillable
- J35.8Other chronic diseases of tonsils and adenoidsBillable
- J35.9Chronic disease of tonsils and adenoids, unspecifiedBillable
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From J35.0. A note on a category applies to every code under it.
Related conditions
Related pages
- J35.02 code detailsNotes, nearby codes, CMS-HCC group
- Category J35Every code under it
- Chapter 10Diseases of the respiratory system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Adenoiditis?
The ICD-10-CM index points "Adenoiditis" to J35.02, Chronic adenoiditis. J35.02 is a billable code.
Is J35.02 billable?
Yes. J35.02 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to J35.02?
The CDC tabular list gives 1 Excludes2 note (may be coded together when both are documented) for J35.02 and the categories above it. They are listed on this page.
What chapter is J35.02 in?
Chapter 10. Diseases of the respiratory system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.