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

ICD-10 Coding for Dilation of Aortic Root

I77.810
I71.21
Q87.4

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

Also Known as:
Aortic Root Dilatation
Aortic Root Enlargement
aortic root ectasia
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Key Information: ICD-10 Coding for Dilation of Aortic Root

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

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 >4.0 cm in males or >3.8 cm in females

Applicable To

  • • Aortic root dilation

Important Notes

  • • Ensure documentation specifies aortic root measurements and absence of aneurysm.

Aneurysm of ascending aorta, without rupture

Billable Code
I71.21
Billable

Diagnostic Criteria

clinical_criteria:
  • • Imaging showing aortic root diameter ≥5.0 cm or rapid progression

Applicable To

  • • Aortic root aneurysm

Important Notes

  • • Document specific measurements and progression to justify aneurysm classification.

Marfan syndrome

Non-Billable
Q87.4
Non-Billable

Diagnostic Criteria

clinical_criteria:
  • • Genetic testing confirming Marfan syndrome

Applicable To

  • • Marfan syndrome with aortic root involvement

Important Notes

  • • Ensure genetic confirmation is documented.
Ancillary Codes

Additional codes that may be used with this diagnosis

I10

Essential (primary) hypertension

Use if hypertension is a contributing factor.

Q87.4

Marfan syndrome

Use if Marfan syndrome is present and contributing to dilation.

I71.21

Aneurysm of ascending aorta, without rupture

Use to specify aortic aneurysm in 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, used when the dilation does not meet aneurysm criteria.

When should I use code I71.21?

Use code I71.21 for an aneurysm of the ascending aorta when the aortic root diameter is ≥5.0 cm or shows rapid progression.

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