October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

D40 Neoplasm of uncertain behavior of male genital organs

All 6 codes in the D40 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.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

6

Can lead a claim

4

Cannot lead a claim

2

What CMS assigns to D40

4 of the 6 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 2 are assigned no clinical group. None of the 6 is assigned a comorbidity subgroup. 4 of the 6 can lead a claim.

Every code in D40

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
D40.0Neoplasm of uncertain behavior of prostateCan lead a claimKNone
D40.1 Neoplasm of uncertain behavior of testis
D40.10Neoplasm of uncertain behavior of unspecified testisCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
D40.11Neoplasm of uncertain behavior of right testisCan lead a claimKNone
D40.12Neoplasm of uncertain behavior of left testisCan lead a claimKNone
D40.8Neoplasm of uncertain behavior of other specified male genital organsCMS: Neoplasm of uncertain behavior of oth male genital organsCan lead a claimKNone
D40.9Neoplasm of uncertain behavior of male genital organ, unspecifiedCMS: Neoplasm of uncertain behavior of male genital organ, unspCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

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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