J35.01Billable
Chronic tonsillitis
- Chapter
- 10. Diseases of the respiratory system
- Category
- J35
- Effective date
- October 1, 2026
Related codes in category J35
J35Chronic diseases of tonsils and adenoidsJ35.0Chronic tonsillitis and adenoiditisJ35.02Chronic adenoiditisYesJ35.03Chronic tonsillitis and adenoiditisYesJ35.1Hypertrophy of tonsilsYesJ35.2Hypertrophy of adenoidsYesJ35.3Hypertrophy of tonsils with hypertrophy of adenoidsYesJ35.8Other chronic diseases of tonsils and adenoidsYesJ35.9Chronic disease of tonsils and adenoids, unspecifiedYes
Frequently asked questions
What is ICD-10 code J35.01?
J35.01 is an ICD-10-CM diagnosis code for Chronic tonsillitis.
Is J35.01 a billable code?
Yes. J35.01 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is J35.01 in?
J35.01 falls under Chapter 10: Diseases of the respiratory system.
When did J35.01 become effective?
J35.01 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to J35.01?
J35.01 belongs to category J35, which includes 9 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.