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Home/Diagnosis/ICD-10 Coding for Mild Aortic Stenosis

ICD-10 Coding for Mild Aortic Stenosis

I35.0
Q23.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for mild aortic stenosis includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Mild AS
Nonrheumatic Aortic Stenosis
Congenital Aortic Stenosis
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Key Information: ICD-10 Coding for Mild Aortic Stenosis

Essential facts and insights about ICD-10 Coding for Mild Aortic Stenosis

Use ICD-10 code I35.0 for nonrheumatic aortic (valve) stenosis, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Nonrheumatic aortic (valve) stenosis

Billable Code
I35.0
Billable

Diagnostic Criteria

clinical:
  • • Echocardiogram confirms nonrheumatic etiology with specified parameters.
documentation:
  • • Absence of rheumatic history in patient records.

Applicable To

  • • Calcific aortic stenosis

Important Notes

  • • Ensure echocardiographic parameters are documented to support the diagnosis.

Congenital aortic valve stenosis

Billable Code
Q23.1
Billable

Diagnostic Criteria

clinical:
  • • Echocardiogram showing congenital bicuspid valve morphology
documentation:
  • • Documentation of congenital etiology

Applicable To

  • • Bicuspid aortic valve with stenosis

Important Notes

  • • Ensure congenital nature is documented to support the use of this code.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z95.2

Presence of aortic valve replacement

Use if the patient has a history of aortic valve replacement.

Frequently Asked Questions

What is the ICD-10 code for mild aortic stenosis?

The ICD-10 code for mild aortic stenosis is I35.0 for nonrheumatic cases and Q23.1 for congenital cases.

How is mild aortic stenosis documented?

Document mild aortic stenosis with echocardiographic parameters: peak velocity, mean gradient, and valve area, specifying etiology.

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