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

D41 Neoplasm of uncertain behavior of urinary organs

All 13 codes in the D41 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

13

Can lead a claim

9

Cannot lead a claim

4

What CMS assigns to D41

9 of the 13 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 4 are assigned no clinical group. None of the 13 is assigned a comorbidity subgroup. 9 of the 13 can lead a claim.

Every code in D41

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

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
D41.0 Neoplasm of uncertain behavior of kidney
D41.00Neoplasm of uncertain behavior of unspecified kidneyCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
D41.01Neoplasm of uncertain behavior of right kidneyCan lead a claimKNone
D41.02Neoplasm of uncertain behavior of left kidneyCan lead a claimKNone
D41.1 Neoplasm of uncertain behavior of renal pelvis
D41.10Neoplasm of uncertain behavior of unspecified renal pelvisCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
D41.11Neoplasm of uncertain behavior of right renal pelvisCan lead a claimKNone
D41.12Neoplasm of uncertain behavior of left renal pelvisCan lead a claimKNone
D41.2 Neoplasm of uncertain behavior of ureter
D41.20Neoplasm of uncertain behavior of unspecified ureterCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
D41.21Neoplasm of uncertain behavior of right ureterCan lead a claimKNone
D41.22Neoplasm of uncertain behavior of left ureterCan lead a claimKNone
D41.3Neoplasm of uncertain behavior of urethraCan lead a claimKNone
D41.4Neoplasm of uncertain behavior of bladderCan lead a claimKNone
D41.8Neoplasm of uncertain behavior of other specified urinary organsCMS: Neoplasm of uncertain behavior of oth urinary organsCan lead a claimKNone
D41.9Neoplasm of uncertain behavior of unspecified urinary organCannot 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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