ICD-10 · PDGM grouping
D44 Neoplasm of uncertain behavior of endocrine glands
All 11 codes in the D44 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
11
Can lead a claim
9
Cannot lead a claim
2
What CMS assigns to D44
9 of the 11 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 2 are assigned no clinical group. None of the 11 is assigned a comorbidity subgroup. 9 of the 11 can lead a claim.
Every code in D44
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 |
|---|---|---|---|---|
| D44.0 | Neoplasm of uncertain behavior of thyroid gland | Can lead a claim | K | None |
| D44.1 Neoplasm of uncertain behavior of adrenal gland | ||||
| D44.10 | Neoplasm of uncertain behavior of unspecified adrenal gland | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| D44.11 | Neoplasm of uncertain behavior of right adrenal gland | Can lead a claim | K | None |
| D44.12 | Neoplasm of uncertain behavior of left adrenal gland | Can lead a claim | K | None |
| D44.2 | Neoplasm of uncertain behavior of parathyroid gland | Can lead a claim | K | None |
| D44.3 | Neoplasm of uncertain behavior of pituitary gland | Can lead a claim | K | None |
| D44.4 | Neoplasm of uncertain behavior of craniopharyngeal duct | Can lead a claim | K | None |
| D44.5 | Neoplasm of uncertain behavior of pineal gland | Can lead a claim | K | None |
| D44.6 | Neoplasm of uncertain behavior of carotid body | Can lead a claim | K | None |
| D44.7 | Neoplasm of uncertain behavior of aortic body and other paragangliaCMS: Neoplasm of uncrt behav of aortic body and oth paraganglia | Can lead a claim | K | None |
| D44.9 | Neoplasm of uncertain behavior of unspecified endocrine glandCMS: Neoplasm of uncertain behavior of unsp endocrine gland | 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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