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Home/Diagnosis/ICD-10 Coding for Aortic Root Dilation

ICD-10 Coding for Aortic Root Dilation

I77.810
I71.21

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

Also Known as:
Aortic Root Dilatation
Thoracic Aortic Ectasia
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Key Information: ICD-10 Coding for Aortic Root Dilation

Essential facts and insights about ICD-10 Coding for Aortic Root Dilation

Use ICD-10 code I77.810 for thoracic aortic ectasia, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Thoracic aortic ectasia

Billable Code
I77.810
Billable

Diagnostic Criteria

clinical:
  • • Aortic root diameter <5.0 cm
documentation:
  • • Measurement method and phase documented

Applicable To

  • • Aortic root dilation

Important Notes

  • • Ensure accurate measurement documentation and linkage to underlying conditions if present.

Ascending aortic aneurysm, without rupture

Billable Code
I71.21
Billable

Diagnostic Criteria

clinical:
  • • Aortic root diameter ≥5.0 cm
  • • Rapid growth >0.5 cm/year

Applicable To

  • • Aneurysm of ascending aorta

Important Notes

  • • Ensure criteria for aneurysm are clearly documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

Q87.4

Marfan syndrome

Use when aortic root dilation is associated with Marfan syndrome.

Frequently Asked Questions

What is the ICD-10 code for aortic root dilation?

The ICD-10 code for aortic root dilation is I77.810, which is used for thoracic aortic ectasia.

How is aortic root dilation documented?

Document the aortic root diameter, measurement method, and any associated conditions like Marfan syndrome.

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