28 Operations On Tonsils And Adenoids 
28.0 Incision and drainage of tonsil and peritonsillar structures convert 28.0 to ICD-10-PCS 28.1 Diagnostic Procedures On Tonsils And Adenoids 
28.11 Biopsy of tonsils and adenoids convert 28.11 to ICD-10-PCS
28.19 Other diagnostic procedures on tonsils and adenoids convert 28.19 to ICD-10-PCS 28.2 Tonsillectomy without adenoidectomy convert 28.2 to ICD-10-PCS 28.3 Tonsillectomy with adenoidectomy convert 28.3 to ICD-10-PCS 28.4 Excision of tonsil tag convert 28.4 to ICD-10-PCS 28.5 Excision of lingual tonsil convert 28.5 to ICD-10-PCS 28.6 Adenoidectomy without tonsillectomy convert 28.6 to ICD-10-PCS 28.7 Control of hemorrhage after tonsillectomy and adenoidectomy convert 28.7 to ICD-10-PCS 28.9 Other Operations On Tonsils And Adenoids 
28.91 Removal of foreign body from tonsil and adenoid by incision convert 28.91 to ICD-10-PCS 28.92 Excision of lesion of tonsil and adenoid convert 28.92 to ICD-10-PCS 28.99 Other operations on tonsils and adenoids convert 28.99 to ICD-10-PCS