J35.2 Hypertrophy of adenoids

Billable ICD-10-CM code, FY2026.

Applicable to

• Enlargement of adenoids

Excludes1 (never code together)

• hypertrophy of adenoids with adenoiditis (J35.0-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 474.12 Hypertrophy of adenoids alone

Diagnosis Index entries for J35.2

• Enlargement, enlarged › adenoids
• Hyperplasia, hyperplastic › adenoids
• Hypertrophy, hypertrophic › adenoids (infective)
• Hypertrophy, hypertrophic › nasopharynx, lymphoid (infectional) (tissue) (wall)
• Hypertrophy, hypertrophic › pharyngeal tonsil
• Hypertrophy, hypertrophic › pharynx › lymphoid (infectional) (tissue) (wall)

Nearby codes

• J35.0 Chronic tonsillitis and adenoiditis
• J35.01 Chronic tonsillitis
• J35.02 Chronic adenoiditis
• J35.03 Chronic tonsillitis and adenoiditis
• J35.1 Hypertrophy of tonsils
• J35.2 Hypertrophy of adenoids (this code)
• J35.3 Hypertrophy of tonsils with hypertrophy of adenoids
• J35.8 Other chronic diseases of tonsils and adenoids
• J35.9 Chronic disease of tonsils and adenoids, unspecified