D41.21 Neoplasm of uncertain behavior of right ureter

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 656-658 in MDC 11.

Approximate ICD-9-CM (GEMs)

• 236.91 Neoplasm of uncertain behavior of kidney and ureter (approximate)

Code annotations containing back-references to D41.21

Back-references to D41

• Type 1 Excludes: D49 Neoplasms of unspecified behavior ("neoplasms of uncertain behavior (D37-D44, D48)")

Nearby codes

• D41.10 Neoplasm of uncertain behavior of unspecified renal pelvis
• D41.11 Neoplasm of uncertain behavior of right renal pelvis
• D41.12 Neoplasm of uncertain behavior of left renal pelvis
• D41.2 Neoplasm of uncertain behavior of ureter
• D41.20 Neoplasm of uncertain behavior of unspecified ureter
• D41.21 Neoplasm of uncertain behavior of right ureter (this code)
• D41.22 Neoplasm of uncertain behavior of left ureter
• D41.3 Neoplasm of uncertain behavior of urethra
• D41.4 Neoplasm of uncertain behavior of bladder
• D41.8 Neoplasm of uncertain behavior of other specified urinary organs
• D41.9 Neoplasm of uncertain behavior of unspecified urinary organ