C65.9Billable

Malignant neoplasm of unspecified renal pelvis

Chapter
2. Neoplasms
Category
C65
Effective date
October 1, 2026

Related codes in category C65

C65Malignant neoplasm of renal pelvisC65.1Malignant neoplasm of right renal pelvisYesC65.2Malignant neoplasm of left renal pelvisYes

Frequently asked questions

What is ICD-10 code C65.9?

C65.9 is an ICD-10-CM diagnosis code for Malignant neoplasm of unspecified renal pelvis.

Is C65.9 a billable code?

Yes. C65.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is C65.9 in?

C65.9 falls under Chapter 2: Neoplasms.

When did C65.9 become effective?

C65.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C65.9?

C65.9 belongs to category C65, which includes 3 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.