ICD-10 · PDGM grouping
C63 Malignant neoplasm of other and unspecified male genital organs
All 10 codes in the C63 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
10
Can lead a claim
7
Cannot lead a claim
3
What CMS assigns to C63
7 of the 10 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 3 are assigned no clinical group. None of the 10 is assigned a comorbidity subgroup. 7 of the 10 can lead a claim.
Every code in C63
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 |
|---|---|---|---|---|
| C63.0 Malignant neoplasm of epididymis | ||||
| C63.00 | Malignant neoplasm of unspecified epididymis | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| C63.01 | Malignant neoplasm of right epididymis | Can lead a claim | K | None |
| C63.02 | Malignant neoplasm of left epididymis | Can lead a claim | K | None |
| C63.1 Malignant neoplasm of spermatic cord | ||||
| C63.10 | Malignant neoplasm of unspecified spermatic cord | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| C63.11 | Malignant neoplasm of right spermatic cord | Can lead a claim | K | None |
| C63.12 | Malignant neoplasm of left spermatic cord | Can lead a claim | K | None |
| C63.2 | Malignant neoplasm of scrotum | Can lead a claim | K | None |
| C63.7 | Malignant neoplasm of other specified male genital organs | Can lead a claim | K | None |
| C63.8 | Malignant neoplasm of overlapping sites of male genital organsCMS: Malignant neoplasm of ovrlp sites of male genital organs | Can lead a claim | K | None |
| C63.9 | Malignant neoplasm of male genital organ, 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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