2026 ICD-10-CM Diagnosis Code C64Malignant neoplasm of kidney, except renal pelvis
C64 is a non-billable ICD-10-CM category code for malignant neoplasm of kidney, except renal pelvis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as C64.1, C64.2, and C64.9.
Code Identity
Code Classification
Specific Coding for Malignant neoplasm of kidney, except renal pelvisOverview
Non-specific codes like C64 require more characters. Use one of these billable codes instead:
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Type 1 Excludes
- malignant carcinoid tumor of the kidney C7A.093
- malignant neoplasm of renal calyces C65
- malignant neoplasm of renal pelvis C65
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Adenocarcinoma - See Also: Neoplasm, malignant, by site;
- renal cell - C64
- Carcinoma (malignant) - See Also: Neoplasm, by site, malignant;
- renal cell - C64
- Nephroma - C64
- Wilms' tumor - C64
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Adenocarcinoma
- renal cell
- Carcinoma(malignant)
- renal cell
- Nephroblastoma(epithelial) (mesenchymal)
- Nephroma
- Tumor
- Grawitz's
- Tumor
- Wilms'
- Wilms' tumor
Patient EducationClinical
Kidney Cancer
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. The tubes inside filter and clean your blood, taking out waste products and making urine. Kidney cancer forms in the lining of tiny tubes inside your kidneys.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Code HistoryHistory
Questions About C64Overview
Is C64 (Malignant neoplasm of kidney, except renal pelvis) a billable code?
No. This is a category header that groups the codes for malignant neoplasm of kidney, except renal pelvis, and headers cannot be submitted on claims. Claims for malignant neoplasm of kidney, except renal pelvis need a more specific code from this category, such as C64.1, C64.2, and C64.9.
