2026 ICD-10-CM Diagnosis Code D41Neoplasm of uncertain behavior of urinary organs

ICD-10-CM CodesC00–D49D37-D48D41

ICD-10-CM D41
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D41 is a non-billable ICD-10-CM category code for neoplasm of uncertain behavior of urinary organs, so it cannot be submitted on claims. Use a more specific code from this category instead, such as D41.00, D41.01, D41.02, and D41.10.

Code Identity

ICD-10-CM Code
D41
Billable Status
No — Non-Billable Category
Code Describes
Neoplasm of uncertain behavior of urinary organs
Chapter
D37-D48
Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes

Code Classification

ChapterC00–D49Neoplasms
SectionD37-D48Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes
CategoryD41Neoplasm of uncertain behavior of urinary organs
This CodeD41Neoplasm of uncertain behavior of urinary organs

Specific Coding for Neoplasm of uncertain behavior of urinary organsOverview

Non-specific codes like D41 require more characters. Use one of these billable codes instead:

  • D41.0 for Neoplasm of uncertain behavior of kidney

  • Use D41.00 for Neoplasm of uncertain behavior of unspecified kidney

  • Use D41.01 for Neoplasm of uncertain behavior of right kidney

  • Use D41.02 for Neoplasm of uncertain behavior of left kidney

  • D41.1 for Neoplasm of uncertain behavior of renal pelvis

  • Use D41.10 for Neoplasm of uncertain behavior of unspecified renal pelvis

  • Use D41.11 for Neoplasm of uncertain behavior of right renal pelvis

  • Use D41.12 for Neoplasm of uncertain behavior of left renal pelvis

  • D41.2 for Neoplasm of uncertain behavior of ureter

  • Use D41.20 for Neoplasm of uncertain behavior of unspecified ureter

  • Use D41.21 for Neoplasm of uncertain behavior of right ureter

  • Use D41.22 for Neoplasm of uncertain behavior of left ureter

  • Use D41.3 for Neoplasm of uncertain behavior of urethra

  • Use D41.4 for Neoplasm of uncertain behavior of bladder

  • Use D41.8 for Neoplasm of uncertain behavior of other specified urinary organs

  • Use D41.9 for Neoplasm of uncertain behavior of unspecified urinary organ

Patient EducationClinical

Bladder Diseases

The bladder is a hollow organ in your lower abdomen that stores urine. Many conditions can affect your bladder. Some common ones are:

Read the full article at MedlinePlus

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About D41Overview

Is D41 (Neoplasm of uncertain behavior of urinary organs) a billable code?

No. This is a category header that groups the codes for neoplasm of uncertain behavior of urinary organs, and headers cannot be submitted on claims. Claims for neoplasm of uncertain behavior of urinary organs need a more specific code from this category, such as D41.00, D41.01, and D41.02.