Chronic diseases of tonsils or adenoids

Definition

Any persistent or recurrent disease affecting the round-to-oval mass of lymphoid tissue embedded in the lateral wall of the pharynx (tonsils) or the collection of lymphoid nodules on the posterior wall and roof of the nasopharynx (adenoids)

Exclusions

• Recurrent acute tonsillitis (4B4Y)

5 subordinate codes

• CA0F.0Hypertrophy of tonsils
• CA0F.1Hypertrophy of adenoids
• CA0F.3Hypertrophy of tonsils with hypertrophy of adenoids
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Upper respiratory tract disorders

• CA00Acute nasopharyngitis
• CA01Acute sinusitis
• CA02Acute pharyngitis
• CA03Acute tonsillitis
• CA04Acute laryngopharyngitis
• CA05Acute laryngitis or tracheitis
• CA06Acute obstructive laryngitis or epiglottitis
• CA07Acute upper respiratory infections of multiple and unspecified sites