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v1.0.0
ICD-10 Guide
DiagnosesAortic Valve Sclerosis

Aortic Valve Sclerosis

ICD-10 Coding for Aortic Valve Sclerosis(I35.8)

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

Diagnosis Overview

What is Aortic Valve Sclerosis?
Essential facts and insights about Aortic Valve Sclerosis

Key Clinical Considerations:

  • Presence of a systolic ejection murmur on auscultation, typically best heard at the right second intercostal space.
  • Echocardiographic evidence of aortic valve thickening and/or calcification without significant stenosis.
  • Symptoms may include exertional dyspnea, angina, or syncope, particularly in advanced cases.
  • Imaging findings may include echocardiographic measurements of aortic valve area and left ventricular hypertrophy.
  • Severity is often assessed based on the degree of aortic valve calcification and the presence of left ventricular outflow tract obstruction.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Document the presence of characteristic symptoms and physical exam findings.
  • Use specific terminology such as 'aortic valve sclerosis' and avoid vague terms.
  • Examples include: 'Patient presents with a systolic ejection murmur consistent with aortic valve sclerosis.'
  • Medical necessity must be established through documentation of symptoms and diagnostic findings.
  • Quality measures may include documentation of echocardiographic findings and symptom assessment.

Coding Guidelines

Usage Guidelines & Examples

  • Use I35.8 for patients with aortic valve sclerosis without significant stenosis or regurgitation.
  • Do not use this code for patients with aortic stenosis (I35.0) or aortic regurgitation (I35.1).
  • Related codes include I35.0 (Aortic stenosis) and I35.1 (Aortic regurgitation), which indicate more severe conditions.
  • Common errors include misclassifying aortic stenosis as sclerosis; ensure echocardiographic findings support the diagnosis.
  • In complex cases, consider the patient's overall cardiac function and any coexisting conditions.

Code Exclusions

Important Exclusions

  • Excludes aortic stenosis (I35.0) and aortic regurgitation (I35.1) as these indicate more severe valve pathology.
  • Alternative codes for excluded conditions include I35.0 for stenosis and I35.1 for regurgitation.
  • Conditions are excluded due to differing pathophysiology and treatment implications.
  • Common mistakes include coding aortic stenosis when only sclerosis is present; verify echocardiographic findings.
  • Related but distinct conditions include mitral valve disorders and other valvular heart diseases.

Related ICD-10 Codes

Primary Codes
I35.8
Other specified nonrheumatic aortic valve disorders
I35.0
Aortic stenosis
Differential Codes
I35.0

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Cardiology

Specialty Applications

  • Applies to patients with age-related aortic valve changes, often seen in older adults.
  • Risk factors include age, hypertension, and hyperlipidemia.
  • Clinical settings include outpatient cardiology clinics and inpatient cardiology units.
  • Specialty-specific applications are relevant in cardiology and geriatric medicine.
  • Treatment contexts may involve monitoring and management of symptoms related to aortic valve sclerosis.

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

Template 1

Template: 'Patient diagnosed with aortic valve sclerosis based on echocardiographic findings of valve thickening.'

Template 2

Template: 'Clinical presentation consistent with aortic valve sclerosis including exertional dyspnea.'

Template 3

Template: 'Diagnostic criteria for aortic valve sclerosis met as evidenced by echocardiographic findings.'

Template 4

Template: 'Treatment plan initiated for aortic valve sclerosis with monitoring of symptoms and echocardiographic follow-up.'

Template 5

Template: 'Follow-up care for aortic valve sclerosis including assessment of left ventricular function.'

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 documentation is required for this diagnosis?

Documentation must include clinical findings, echocardiographic results, and symptom assessment.

How does this differ from similar diagnoses?

Aortic valve sclerosis is characterized by valve thickening without significant obstruction, unlike aortic stenosis.

What are common billing considerations?

Ensure that documentation supports the diagnosis and reflects medical necessity for reimbursement.

What procedures are typically associated?

Commonly associated procedures include echocardiograms and cardiac stress tests.

Are there any quality reporting implications?

Quality measures may include tracking symptoms and echocardiographic findings in patient care.