J35.9
Billable codeChronic disease of tonsils and adenoids, unspecified
The ICD-10 code for chronic disease of tonsils and adenoids, unspecified is J35.9.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Disease (chronic) of tonsils and adenoids NOS
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This code describes an unspecified presentation. If the medical record documents a more specific detail (e.g. laterality, type, or affected site), a more specific sibling code should be used instead — see Related codes below.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- J35.0Chronic tonsillitis and adenoiditisnon-billable header
- J35.1Hypertrophy of tonsils
- J35.2Hypertrophy of adenoids
- J35.3Hypertrophy of tonsils with hypertrophy of adenoids
- J35.8Other chronic diseases of tonsils and adenoids
- J35.9Chronic disease of tonsils and adenoids, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 4749
Associated MS-DRGs
J35.9 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.
- DRG 011Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with MCC
- DRG 012Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy with CC
- DRG 013Tracheostomy for Face, Mouth and Neck Diagnoses or Laryngectomy without CC/MCC
- DRG 154Other Ear, Nose, Mouth and Throat Diagnoses with MCC
- DRG 155Other Ear, Nose, Mouth and Throat Diagnoses with CC
- DRG 156Other Ear, Nose, Mouth and Throat Diagnoses without CC/MCC