ICD-10 · PDGM grouping
J35 Chronic diseases of tonsils and adenoids
All 8 codes in the J35 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
8
Can lead a claim
7
Cannot lead a claim
1
What CMS assigns to J35
7 of the 8 codes group to MMTA - Other; 1 is assigned no clinical group. None of the 8 is assigned a comorbidity subgroup. 7 of the 8 can lead a claim.
Every code in J35
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| J35.0 Chronic tonsillitis and adenoiditis | ||||
| J35.01 | Chronic tonsillitis | Can lead a claim | A | None |
| J35.02 | Chronic adenoiditis | Can lead a claim | A | None |
| J35.03 | Chronic tonsillitis and adenoiditis | Can lead a claim | A | None |
| J35.1 | Hypertrophy of tonsils | Can lead a claim | A | None |
| J35.2 | Hypertrophy of adenoids | Can lead a claim | A | None |
| J35.3 | Hypertrophy of tonsils with hypertrophy of adenoids | Can lead a claim | A | None |
| J35.8 | Other chronic diseases of tonsils and adenoids | Can lead a claim | A | None |
| J35.9 | Chronic disease of tonsils and adenoids, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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