J03Acute tonsillitis
ICD-10-CM category (non-billable header) code — part of Acute upper respiratory infections (J00-J06)
Coding Notes
Excludes1 (never code both together)
- acute sore throat (J02.-)
- hypertrophy of tonsils (J35.1)
- peritonsillar abscess (J36)
- sore throat NOS (J02.9)
- streptococcal sore throat (J02.0)
Excludes2 (not part of this condition — may code both)
- chronic tonsillitis (J35.0)
Subcategories (3)
- J03.0 Streptococcal tonsillitis
- J03.8 Acute tonsillitis due to other specified organisms
- J03.9 Acute tonsillitis, unspecified