ICD-10-CM > J00-J99 > J00-J06 > J03 J03 Acute tonsillitis Non-Billable/Non-Specific 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 J03.0Streptococcal tonsillitisJ03.00Acute streptococcal tonsillitis, unspecifiedJ03.01Acute recurrent streptococcal tonsillitisJ03.8Acute tonsillitis due to other specified organismsJ03.80Acute tonsillitis due to other specified organismsJ03.81Acute recurrent tonsillitis due to other specified organismsJ03.9Acute tonsillitis, unspecifiedJ03.90Acute tonsillitis, unspecifiedJ03.91Acute recurrent tonsillitis, unspecified