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

Complete ICD-10-CM coding and documentation guide for Aortic Sclerosis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Aortic Valve SclerosisNonrheumatic Aortic Valve Disorder

Related ICD-10 Code Ranges

Complete code families applicable to Aortic Sclerosis

I35-I35.9Primary Range

Nonrheumatic aortic valve disorders

This range includes codes for nonrheumatic disorders of the aortic valve, including sclerosis.

Key Information: ICD-10 code for aortic sclerosis

Essential facts and insights about Aortic Sclerosis

The ICD-10 code for aortic sclerosis is I35.8, used for nonrheumatic aortic valve disorders without significant stenosis.

Primary ICD-10-CM Code for aortic sclerosis

Other nonrheumatic aortic valve disorders
Billable Code

Decision Criteria

clinical Criteria

  • Echocardiogram shows valve thickening without significant stenosis.

documentation Criteria

  • Documentation explicitly states 'aortic sclerosis' without stenosis.

Applicable To

  • Aortic sclerosis without significant stenosis

Excludes

  • Rheumatic aortic valve disorders (I06.-)
  • Aortic stenosis (I35.0)

Clinical Validation Requirements

  • Echocardiogram showing valve thickening without significant stenosis
  • Peak velocity ≤2.5 m/s

Code-Specific Risks

  • Confusion with aortic stenosis leading to incorrect coding.

Coding Notes

  • Ensure documentation specifies 'sclerosis' without stenosis to avoid miscoding.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Atherosclerosis of aorta

I70.0
Use when aortic sclerosis is present with aortic atherosclerosis.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Nonrheumatic aortic stenosis

I35.0
Use I35.0 when there is significant stenosis with peak velocity >2.5 m/s.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Aortic Sclerosis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I35.8.

Impact

Clinical: Misrepresentation of the patient's condition., Regulatory: Potential audit issues due to incorrect coding., Financial: Incorrect reimbursement due to wrong DRG assignment.

Mitigation Strategy

Educate clinicians on the difference between sclerosis and stenosis., Implement documentation checks for accuracy.

Impact

Reimbursement: Incorrect coding may lead to inappropriate DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Ensure documentation specifies 'sclerosis' without stenosis.

Impact

Misclassification can lead to audits and financial penalties.

Mitigation Strategy

Ensure clear documentation and coding guidelines are followed.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Aortic Sclerosis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Aortic Sclerosis

Use these documentation templates to ensure complete and accurate documentation for Aortic Sclerosis. These templates include all required elements for proper coding and billing.

Cardiology Progress Note

Specialty: Cardiology

Required Elements

  • Assessment of aortic valve condition
  • Echocardiogram findings
  • Peak velocity measurements

Example Documentation

Assessment: Nonrheumatic aortic valve sclerosis (I35.8) - Echocardiogram: Trileaflet aortic valve with moderate calcification. Peak velocity: 2.2 m/s.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Aortic valve disease noted.
Good Documentation Example
Nonrheumatic aortic valve sclerosis: trileaflet valve with focal calcification, peak velocity 2.0 m/s.
Explanation
The good example provides specific details supporting the diagnosis of sclerosis without stenosis.

Need help with ICD-10 coding for Aortic Sclerosis? Ask your questions below.

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