J03.9 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Acute tonsillitis, unspecified.
Inclusion term
Follicular tonsillitis (acute)
Gangrenous tonsillitis (acute)
Infective tonsillitis (acute)
Tonsillitis (acute) NOS
Ulcerative tonsillitis (acute)
Type 1 excludes
Codes
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
Code changed
Type 1 excludes
- influenza virus with other respiratory manifestations (J09.X2, J10.1, J11.1)
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code