2026
ICD-10-CM
Diagnosis
Code

J03 Acute tonsillitis

Non-billable
2016–2026

J03 is a non-billable/non-specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Acute tonsillitis.

Type 1 excludes

Acute sore throat (J02.-)
Hypertrophy of tonsils (J35.1)
Peritonsillar abscess (J36)
Sore throat NOS (J02.9)
Streptococcal sore throat (J02.0)

Type 2 excludes

Chronic tonsillitis (J35.0)

Codes

Versions

2026
No changes
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code