J35.03Billable

Chronic tonsillitis and adenoiditis

Chapter
10. Diseases of the respiratory system
Category
J35
Effective date
October 1, 2026

Related codes in category J35

Frequently asked questions

What is ICD-10 code J35.03?

J35.03 is an ICD-10-CM diagnosis code for Chronic tonsillitis and adenoiditis.

Is J35.03 a billable code?

Yes. J35.03 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is J35.03 in?

J35.03 falls under Chapter 10: Diseases of the respiratory system.

When did J35.03 become effective?

J35.03 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to J35.03?

J35.03 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.