ICD-10 · PDGM grouping
C74 Malignant neoplasm of adrenal gland
All 9 codes in the C74 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
9
Can lead a claim
7
Cannot lead a claim
2
What CMS assigns to C74
7 of the 9 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 2 are assigned no clinical group. All 9 count toward the Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures comorbidity subgroup. 7 of the 9 can lead a claim.
- Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures
Every code in C74
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 |
|---|---|---|---|---|
| C74.0 Malignant neoplasm of cortex of adrenal gland | ||||
| C74.00 | Malignant neoplasm of cortex of unspecified adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.01 | Malignant neoplasm of cortex of right adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.02 | Malignant neoplasm of cortex of left adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.1 Malignant neoplasm of medulla of adrenal gland | ||||
| C74.10 | Malignant neoplasm of medulla of unspecified adrenal gland | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.11 | Malignant neoplasm of medulla of right adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.12 | Malignant neoplasm of medulla of left adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.9 Malignant neoplasm of unspecified part of adrenal gland | ||||
| C74.90 | Malignant neoplasm of unspecified part of unspecified adrenal glandCMS: Malignant neoplasm of unsp part of unspecified adrenal gland | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.91 | Malignant neoplasm of unspecified part of right adrenal glandCMS: Malignant neoplasm of unsp part of right adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
| C74.92 | Malignant neoplasm of unspecified part of left adrenal gland | Can lead a claim | K | Malignant Neoplasm of Adrenal Gland, Endocrine Glands and Related Structures |
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.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue