J35.9
J35.9 — Chronic disease of tonsils and adenoids, unspecified
Billable / specific codeICD-10-CM
J35.9 is a billable, specific ICD-10-CM code for chronic disease of tonsils and adenoids, unspecified. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Disease (chronic) of tonsils and adenoids NOS
Risk adjustment
J35.9 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How J35.9 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to J35.9.
- Disease, diseased›adenoids(and tonsils)
- Disease, diseased›tonsils, tonsillar(and adenoids)
- Lesion›tonsillar fossa
Related codes at this level
Codes that share J35. If J35.9 is not quite right, the correct code is usually one of these.
Questions about J35.9
- Is J35.9 a billable ICD-10-CM code?
- Yes. J35.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does J35.9 sit in the tabular list?
- Diseases of the respiratory system (J00-J99), in the block Other diseases of upper respiratory tract (J30-J39).