C65.9 – Malignant neoplasm of unspecified renal pelvis

ICD-10-CM 2027 diagnosis code · Malignant neoplasms of urinary tract

Billable code

ICD-10-CM code C65.9
Code
C65.9 (claims format: C659)
Description
Malignant neoplasm of unspecified renal pelvis
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
2. Neoplasms (C00-D49)
Block
C64-C68 Malignant neoplasms of urinary tract
Parent codes
C65

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

C65 – Malignant neoplasm of renal pelvis

Includes:
  • malignant neoplasm of pelviureteric junction
  • malignant neoplasm of renal calyces

Related codes in C65

Frequently asked questions

What is ICD-10 code C65.9?

C65.9 is the ICD-10-CM code for malignant neoplasm of unspecified renal pelvis, in the block C64-C68 (Malignant neoplasms of urinary tract).

Is C65.9 a billable code?

Yes. C65.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does C65.9 belong to?

It belongs to category C65 – Malignant neoplasm of renal pelvis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.