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Home/Diagnosis/ICD-10 Coding for Nonrheumatic Aortic Valve Stenosis

ICD-10 Coding for Nonrheumatic Aortic Valve Stenosis

I35.0
Q23.81

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

Also Known as:
Aortic Stenosis
Calcific Aortic Stenosis
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Key Information: ICD-10 Coding for Nonrheumatic Aortic Valve Stenosis

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

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

Primary ICD-10-CM Codes

Nonrheumatic aortic stenosis

Billable Code
I35.0
Billable

Diagnostic Criteria

clinical:
  • • Echocardiogram findings consistent with nonrheumatic stenosis.
documentation:
  • • Explicit mention of 'nonrheumatic' or absence of rheumatic history.

Applicable To

  • • Calcific aortic stenosis
  • • Degenerative aortic stenosis

Important Notes

  • • Ensure documentation specifies 'nonrheumatic' to avoid defaulting to rheumatic codes.

Congenital bicuspid aortic valve

Billable Code
Q23.81
Billable

Diagnostic Criteria

clinical:
  • • Echocardiogram confirming bicuspid valve anatomy.

Applicable To

  • • Bicuspid aortic valve

Important Notes

  • • Document congenital nature to justify use.
Ancillary Codes

Additional codes that may be used with this diagnosis

Q23.81

Congenital bicuspid aortic valve

Use when congenital bicuspid valve is documented alongside nonrheumatic stenosis.

Frequently Asked Questions

What is the ICD-10 code for nonrheumatic aortic valve stenosis?

The ICD-10 code for nonrheumatic aortic valve stenosis is I35.0. It is used when the stenosis is confirmed as nonrheumatic.

How do you code aortic stenosis with a bicuspid valve?

Use I35.0 for nonrheumatic aortic stenosis and Q23.81 for congenital bicuspid aortic valve when both conditions are present.

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