C65
Non-Billable

Malignant neoplasm of renal pelvis

Non-Billable / Non-Specific Code

What is Malignant neoplasm of renal pelvis?

ICD-10-CM C65 is the diagnosis code for Malignant neoplasm of renal pelvis. This code falls under the section "Malignant neoplasms of urinary tract" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for C65

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where C65 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeC65 — Malignant neoplasm of renal pelvis
Sub-Codes (3)
Sub-Codes 3 entries
C65.1Malignant neoplasm of right renal pelvisBillableC65.2Malignant neoplasm of left renal pelvisBillableC65.9Malignant neoplasm of unspecified renal pelvisBillable
Related Codes

Frequently Asked Questions

Is C65 a billable ICD-10-CM code?

No, C65 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does C65 mean?

C65 is the ICD-10-CM diagnosis code for "Malignant neoplasm of renal pelvis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is C65 in?

C65 is located in Section C64-C68 — "Malignant neoplasms of urinary tract" within Chapter 2 of the ICD-10-CM Tabular List.

What are the sub-codes of C65?

C65 has 3 sub-code(s) that provide more specific detail: C65.1, C65.2, C65.9.

When should I use C65?

Use C65 when the patients documented diagnosis matches "Malignant neoplasm of renal pelvis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Malignant neoplasm of renal pelvis?

The ICD-10-CM code for Malignant neoplasm of renal pelvis is C65.

Can C65 be used for primary diagnosis?

No, C65 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is C65 in?

C65 is in Chapter 2 of the ICD-10-CM Tabular List.

Is C65 valid for 2026?

Yes, C65 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousC64.9Malignant neoplasm of unspecified kidney, except renal pelvisNext →C65.1Malignant neoplasm of right renal pelvis
Code Details
C65
Malignant neoplasm of renal pelvis
Non-Billable / Non-Specific Code
2 — Neoplasms (C00-D49)
C64-C68 — Malignant neoplasms of urinary tract
2026 ICD-10-CM