ICD-10 · PDGM grouping
E32 Diseases of thymus
All 4 codes in the E32 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
4
Can lead a claim
2
Cannot lead a claim
2
What CMS assigns to E32
2 of the 4 codes group to MMTA - Other (1) and MMTA - Endocrine (1); 2 are assigned no clinical group. None of the 4 is assigned a comorbidity subgroup. 2 of the 4 can lead a claim.
Every code in E32
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 |
|---|---|---|---|---|
| E32.0 | Persistent hyperplasia of thymus | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| E32.1 | Abscess of thymus | Can lead a claim | A | None |
| E32.8 | Other diseases of thymus | Can lead a claim | I | None |
| E32.9 | Disease of thymus, 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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