What is the ICD-10 code for a right renal mass?

The ICD-10 code for a confirmed malignant right renal mass is C64.1. For indeterminate masses, use D49.51, and for benign conditions, use N28.89.

How do you code a renal mass without biopsy?

For a renal mass without biopsy confirmation, use D49.51 if the behavior is uncertain. Use N28.89 for benign characteristics confirmed by imaging.

ICD-10 Coding for Right Renal Mass(C64.1, D30.01, D49.51)

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Explore the ICD-10 coding for right renal mass, including malignant, benign, and indeterminate cases. Learn about documentation requirements and coding pitfalls.

Also known as:

Right Kidney MassRenal TumorKidney Tumor

Related ICD-10 Code Ranges

Complete code families applicable to Right Renal Mass

C00-D49Primary Range

Neoplasms

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
C64.1	Malignant neoplasm of right kidney, except renal pelvis	Use when there is confirmed malignancy in the right kidney.	Biopsy-proven renal cell carcinoma Imaging showing enhancement >20 HU
D49.51	Neoplasm of uncertain behavior of right kidney	Use when the behavior of the renal mass is uncertain.	Imaging shows indeterminate mass Biopsy pending or inconclusive
N28.89	Other specified disorders of kidney and ureter	Use for benign renal conditions not classified elsewhere.	Imaging confirms benign cyst

Primary ICD-10-CM Codes

Malignant neoplasm of right kidney, except renal pelvis

C64.1Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Benign neoplasm of right kidneyD30.01

Use for benign tumors confirmed by imaging or biopsy.

Neoplasm of uncertain behavior of right kidneyD49.51

Use when the behavior of the neoplasm is indeterminate.

Malignant neoplasm of right kidneyC64.1

Use when malignancy is confirmed.

Documentation & Coding Risks

Avoid these common issues when documenting Right Renal Mass.

Omitting laterality in documentation

Impact

Clinical: Ambiguity in treatment planning., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation

Always specify right or left in documentation., Use structured templates.

Coding a renal mass as malignant without confirmation

Impact

Reimbursement: Incorrect DRG assignment leading to potential overpayment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation

Ensure biopsy or definitive imaging confirms malignancy before coding as C64.1.

Biopsy documentation

Impact

Lack of biopsy confirmation for malignant coding.

Mitigation

Require biopsy results before coding malignancy.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with C64.1.

Primary Code

C64.1

Malignant neoplasm of right kidney, except renal pelvis

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ICD-10 codes4

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ICD-10 Coding for Right Renal Mass(C64.1, D30.01, D49.51)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for a right renal mass?

How do you code a renal mass without biopsy?

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