ICD-10-CM FY2027 diagnosis code

J03.91: Acute recurrent tonsillitis, unspecified

Billable codeValid for dates of service October 1, 2026 to September 30, 2027

J03.91 is a billable ICD-10-CM diagnosis code for acute recurrent tonsillitis, unspecified. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.

Other codes in J03.9 Acute tonsillitis, unspecified

J03.91 questions

Is J03.91 a billable code?

Yes. J03.91 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.

What does J03.91 mean?

J03.91 is the ICD-10-CM code for Acute recurrent tonsillitis, unspecified. It is in chapter 10, Diseases of the respiratory system (J00-J99).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.