ICD-10 · PDGM grouping
D38 Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs
All 7 codes in the D38 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
7
Can lead a claim
6
Cannot lead a claim
1
What CMS assigns to D38
6 of the 7 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 1 is assigned no clinical group. None of the 7 is assigned a comorbidity subgroup. 6 of the 7 can lead a claim.
Every code in D38
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 |
|---|---|---|---|---|
| D38.0 | Neoplasm of uncertain behavior of larynx | Can lead a claim | K | None |
| D38.1 | Neoplasm of uncertain behavior of trachea, bronchus and lung | Can lead a claim | K | None |
| D38.2 | Neoplasm of uncertain behavior of pleura | Can lead a claim | K | None |
| D38.3 | Neoplasm of uncertain behavior of mediastinum | Can lead a claim | K | None |
| D38.4 | Neoplasm of uncertain behavior of thymus | Can lead a claim | K | None |
| D38.5 | Neoplasm of uncertain behavior of other respiratory organs | Can lead a claim | K | None |
| D38.6 | Neoplasm of uncertain behavior of respiratory organ, unspecifiedCMS: Neoplasm of uncertain behavior of respiratory organ, unsp | 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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