J03.91
✓ Billable
Acute recurrent tonsillitis, unspecified
ICD-10-CM · FY2026 · Diseases of the Respiratory System
Code
J03.91
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Respiratory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code J03.91?
ICD-10-CM code J03.91 represents Acute recurrent tonsillitis, unspecified. It is a billable diagnosis code in the Diseases of the Respiratory System chapter, effective October 1, 2025 – September 30, 2026.
Is J03.91 billable?
Yes. J03.91 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is J03.91 in?
J03.91 belongs to the Diseases of the Respiratory System chapter (J00–J99) of ICD-10-CM.
Related codes in the J03 category
J03
Acute tonsillitis
Non-billable
J03.0
Streptococcal tonsillitis
Non-billable
J03.8
Acute tonsillitis due to other specified organisms
Non-billable
J03.9
Acute tonsillitis, unspecified
Non-billable
J03.00
Acute streptococcal tonsillitis, unspecified
Billable
J03.01
Acute recurrent streptococcal tonsillitis
Billable
J03.80
Acute tonsillitis due to other specified organisms
Billable
J03.81
Acute recurrent tonsillitis due to other specified organisms
Billable
Search all 98,186 ICD-10-CM codes instantly
Search ICDwise →