ICD-10 · PDGM grouping
C64-C68 — Malignant neoplasms of urinary tract
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
Codes in range
23
No clinical group
4
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
19 of the 23 codes in C64-C68 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases. A further 4 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in C64-C68
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
Every code in C64-C68
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| C641 | Malignant neoplasm of right kidney, except renal pelvis | K | Can lead a claim |
| C642 | Malignant neoplasm of left kidney, except renal pelvis | K | Can lead a claim |
| C649 | Malignant neoplasm of unsp kidney, except renal pelvis | None | Cannot lead a claim |
| C651 | Malignant neoplasm of right renal pelvis | K | Can lead a claim |
| C652 | Malignant neoplasm of left renal pelvis | K | Can lead a claim |
| C659 | Malignant neoplasm of unspecified renal pelvis | None | Cannot lead a claim |
| C661 | Malignant neoplasm of right ureter | K | Can lead a claim |
| C662 | Malignant neoplasm of left ureter | K | Can lead a claim |
| C669 | Malignant neoplasm of unspecified ureter | None | Cannot lead a claim |
| C670 | Malignant neoplasm of trigone of bladder | K | Can lead a claim |
| C671 | Malignant neoplasm of dome of bladder | K | Can lead a claim |
| C672 | Malignant neoplasm of lateral wall of bladder | K | Can lead a claim |
| C673 | Malignant neoplasm of anterior wall of bladder | K | Can lead a claim |
| C674 | Malignant neoplasm of posterior wall of bladder | K | Can lead a claim |
| C675 | Malignant neoplasm of bladder neck | K | Can lead a claim |
| C676 | Malignant neoplasm of ureteric orifice | K | Can lead a claim |
| C677 | Malignant neoplasm of urachus | K | Can lead a claim |
| C678 | Malignant neoplasm of overlapping sites of bladder | K | Can lead a claim |
| C679 | Malignant neoplasm of bladder, unspecified | K | Can lead a claim |
| C680 | Malignant neoplasm of urethra | K | Can lead a claim |
| C681 | Malignant neoplasm of paraurethral glands | K | Can lead a claim |
| C688 | Malignant neoplasm of overlapping sites of urinary organs | K | Can lead a claim |
| C689 | Malignant neoplasm of urinary organ, unspecified | None | Cannot lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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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