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v1.0.0
ICD-10 Guide
DiagnosesRenal Lesion

Renal Lesion

ICD-10 Coding for Renal Lesion(C64.1, D30.01)

PRIMARY SPECIALTYRadiology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Renal Lesion?
Essential facts and insights about Renal Lesion

Key Clinical Considerations:

  • Hematuria
  • Flank pain
  • Palpable abdominal mass

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history and presenting symptoms
  • Imaging findings (CT, MRI, ultrasound)
  • Assessment of lesion characteristics (size, location, enhancement pattern)

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for distinguishing between benign and malignant lesions.
  • Common errors include misclassifying lesion types or omitting relevant imaging details.

Code Exclusions

Important Exclusions

  • Congenital renal anomalies
  • Renal cysts without complications

Related ICD-10 Codes

Primary Codes
N28.1
Renal lesion, unspecified
C64.9
Malignant neoplasm of kidney, unspecified
D49.5
Neoplasm of unspecified behavior of kidney
Ancillary Codes
R93.4
Differential Codes
D30.01
C64.1

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Radiology

Specialty Applications

  • Adult and pediatric populations
  • Outpatient and inpatient radiology settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

What are the documentation requirements?

Include detailed imaging reports and clinical correlation.

What are the billing considerations?

Ensure accurate coding based on imaging findings and clinical context.