ICD-10-CM · FY 2026 APRIL UPDATE
J35
Chronic diseases of tonsils and adenoids
Diagnosis reference
Nonbillable categoryThis entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.
Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification
Related entries
Up to 30 descendants in this category
| CODE | DESCRIPTION | TYPE |
|---|---|---|
| J35.0 | Chronic tonsillitis and adenoiditis | Category |
| J35.01 | Chronic tonsillitis | Billable |
| J35.02 | Chronic adenoiditis | Billable |
| J35.03 | Chronic tonsillitis and adenoiditis | Billable |
| J35.1 | Hypertrophy of tonsils | Billable |
| J35.2 | Hypertrophy of adenoids | Billable |
| J35.3 | Hypertrophy of tonsils with hypertrophy of adenoids | Billable |
| J35.8 | Other chronic diseases of tonsils and adenoids | Billable |
| J35.9 | Chronic disease of tonsils and adenoids, unspecified | Billable |
Use the complete reference
This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.
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