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

ICD-10 Coding for Aortic Root Enlargement

I77.810
I71.21

Complete ICD-10-CM coding and documentation guide for icd-10 coding for aortic root enlargement 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 Enlargement

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

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_criteria:
  • Aortic root diameter <5.5 cm

Applicable To

  • • Aortic root dilatation

Important Notes

  • • Ensure documentation specifies ectasia vs. aneurysm.

Aneurysm of ascending aorta without rupture

Billable Code
I71.21
Billable

Diagnostic Criteria

clinical_criteria:
  • CT scan showing aortic root diameter ≥5.5 cm

Applicable To

  • • Aneurysmal enlargement of the aortic root

Important Notes

  • • Ensure documentation specifies aneurysm criteria.
Ancillary Codes

Additional codes that may be used with this diagnosis

I35.1

Nonrheumatic aortic valve insufficiency

Use if there is associated aortic regurgitation.

Q87.4

Marfan syndrome

Use if the aneurysm is associated with Marfan syndrome.

Frequently Asked Questions

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

The ICD-10 code for aortic root enlargement depends on whether it is classified as ectasia (I77.810) or an aneurysm (I71.21).

How is aortic root enlargement documented?

Aortic root enlargement should be documented with specific measurements from imaging studies, specifying whether it is ectasia or an aneurysm.

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