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v1.0.0
ICD-10 Guide
DiagnosesAngiomyolipoma

Angiomyolipoma

ICD-10 Coding for Renal Angiomyolipoma(D17.71, D17.9)

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

Diagnosis Overview

What is Angiomyolipoma?
Essential facts and insights about Renal Angiomyolipoma

Key Clinical Considerations:

  • Asymptomatic or flank pain
  • Imaging findings on ultrasound, CT, or MRI showing a well-defined mass with fat density
  • Palpable abdominal mass in some cases

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history including symptoms and imaging results
  • Detailed description of the angiomyolipoma characteristics
  • Use of specific terms like 'renal angiomyolipoma' or 'hamartoma'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding renal masses
  • Common errors include misclassifying benign tumors as malignant

Code Exclusions

Important Exclusions

  • Renal cell carcinoma
  • Other renal neoplasms
  • Cysts or other benign renal lesions

Related ICD-10 Codes

Primary Codes
D18.0
Angiomyolipoma of kidney
Ancillary Codes
Q85.1
N28.89
Differential Codes
C64.9

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Interventional Radiology

Specialty Applications

  • Adults, particularly those with tuberous sclerosis
  • Outpatient and inpatient 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

Documentation requirements?

Include imaging results, size, and location of the lesion.

Billing considerations?

Ensure accurate coding to reflect the complexity of the procedure.