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v1.0.0
ICD-10 Guide
DiagnosesAortic Valve Disorder

Aortic Valve Disorder

ICD-10 Coding for Aortic Valve Disorder(I35.0, I35.1, I35.2, I35.9)

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

Diagnosis Overview

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

Key Clinical Considerations:

  • Patients may present with symptoms such as dyspnea, angina, syncope, or heart failure.
  • Echocardiography findings may reveal aortic stenosis, regurgitation, or other structural abnormalities.
  • Physical examination may show a characteristic systolic ejection murmur or diastolic murmur depending on the type of disorder.
  • Imaging studies such as echocardiograms, CT scans, or MRIs may demonstrate valve morphology and function.
  • Severity can be assessed using criteria such as valve area measurements or pressure gradients.

Clinical Information

Clinical Criteria & Documentation Requirements

  • Document the patient's symptoms, clinical findings, and any relevant history.
  • Use specific terminology such as 'aortic stenosis' or 'aortic regurgitation' as applicable.
  • Examples include: 'Patient diagnosed with aortic stenosis based on echocardiogram findings.'
  • Document medical necessity for procedures like valve replacement or repair.
  • Quality measures may include documentation of symptom severity and functional status.

Coding Guidelines

Usage Guidelines & Examples

  • Use I35.0 for aortic stenosis, I35.1 for aortic regurgitation, I35.2 for aortic valve disorder due to rheumatic heart disease, and I35.9 for unspecified aortic valve disorder.
  • Do not use these codes for non-aortic valve disorders or when the condition is not documented.
  • Compare with I34 codes for non-rheumatic valve disorders.
  • Common errors include misclassifying the type of valve disorder; ensure accurate clinical documentation.
  • In complex cases, consider the patient's overall cardiac status and any coexisting conditions.

Code Exclusions

Important Exclusions

  • Excludes conditions such as mitral valve disorders or congenital heart defects.
  • Alternative codes for excluded conditions include I34 for non-rheumatic valve disorders.
  • Conditions are excluded due to differing pathophysiology and treatment approaches.
  • Common mistakes include misclassifying aortic disorders as mitral disorders; ensure accurate documentation.
  • Related but distinct conditions include hypertrophic cardiomyopathy and other valvular heart diseases.

Related ICD-10 Codes

Primary Codes
I35.0
Aortic stenosis
I35.1
Aortic regurgitation
I35.2
Aortic valve disorder due to rheumatic heart disease
I35.9
Unspecified aortic valve disorder
Ancillary Codes
Q23.1
Differential Codes
I06.0
I06.1
I06.2
I06.x

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Cardiology

Specialty Applications

  • Applies to patients with diagnosed aortic valve disorders.
  • Patient populations include adults, particularly those over 70 years old, and individuals with rheumatic fever history.
  • Clinical settings include cardiology clinics, hospitals, and outpatient settings.
  • Specialty-specific applications are relevant in cardiology and cardiac surgery.
  • Treatment contexts include surgical interventions, medical management, and monitoring.

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 disorder based on echocardiogram findings.'

Template 2

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

Template 3

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

Template 4

Template: 'Treatment plan initiated for aortic stenosis with surgical intervention planned.'

Template 5

Template: 'Follow-up care for aortic valve disorder including monitoring of symptoms and echocardiogram results.'

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?

Detailed documentation of clinical findings, diagnostic tests, and treatment plans.

How does this differ from similar diagnoses?

Differentiation is based on specific valve involvement and clinical presentation.

What are common billing considerations?

Ensure accurate coding to reflect the specific type of valve disorder for optimal reimbursement.

What procedures are typically associated?

Common procedures include aortic valve replacement and balloon valvuloplasty.

Are there any quality reporting implications?

Quality measures may include tracking outcomes of valve interventions and patient symptom improvement.