J35.02 Chronic adenoiditis

Billable ICD-10-CM code, FY2026.

Applies from J35.0 Chronic tonsillitis and adenoiditis

Excludes2 (not included here)

• acute tonsillitis (J03.-)

MS-DRG index

Defines the logic of DRG(s) 011-013 in MDC PRE.

Approximate ICD-9-CM (GEMs)

• 474.01 Chronic adenoiditis

Code annotations containing back-references to J35.02

Back-references to J35.0

• Type 2 Excludes: J03 Acute tonsillitis ("chronic tonsillitis (J35.0)")
• Type 1 Excludes: J35.1 Hypertrophy of tonsils ("hypertrophy of tonsils with tonsillitis (J35.0-)")
• Type 1 Excludes: J35.2 Hypertrophy of adenoids ("hypertrophy of adenoids with adenoiditis (J35.0-)")
• Type 1 Excludes: J36 Peritonsillar abscess ("chronic tonsillitis (J35.0)")

Diagnosis Index entries for J35.02

• Adenoiditis (chronic)
• Infection, infected, infective (opportunistic) › adenoid (and tonsil) › chronic

Nearby codes

• J35 Chronic diseases of tonsils and adenoids
• J35.0 Chronic tonsillitis and adenoiditis
• J35.01 Chronic tonsillitis
• J35.02 Chronic adenoiditis (this code)
• J35.03 Chronic tonsillitis and adenoiditis
• J35.1 Hypertrophy of tonsils
• J35.2 Hypertrophy of adenoids
• J35.3 Hypertrophy of tonsils with hypertrophy of adenoids
• J35.8 Other chronic diseases of tonsils and adenoids