C64 Malignant neoplasm of kidney, except renal pelvis

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Malignant neoplasm of kidney, except renal pelvis is C64 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
C64-C68: Malignant neoplasms of urinary tract (C64-C68)
Category C64
4 codes (3 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to C64:

  • Wilms' tumor
  • Nephroma
  • Nephroblastoma (epithelial) (mesenchymal)
  • Carcinoma (malignant) › renal cell
  • Tumor › Wilms'
  • Tumor › Grawitz's
  • Adenocarcinoma › renal cell
Excludes1
Not coded here. These conditions should NOT be coded together with C64.
  • malignant carcinoid tumor of the kidney (C7A.093)
  • malignant neoplasm of renal calyces (C65.-)
  • malignant neoplasm of renal pelvis (C65.-)

Official Coding Guidelines

Tx of primary site (TOC entry)

a. Admission/Encounter for treatment of primary site ............................................................. 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.a
Tx of secondary site (TOC entry)

b. Admission/Encounter for treatment of secondary site .......................................................... 33

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.2.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference C64 with the canonical source and edition:

C64 — Malignant neoplasm of kidney, except renal pelvis. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/C64

Canonical URL: https://icd10codingpro.com/codes/C64

Related Codes

All Codes in C64

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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