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Home/Diagnosis/ICD-10 Coding for Dilation of Aorta

ICD-10 Coding for Dilation of Aorta

I71.21
I71.11

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

Also Known as:
Aortic Dilation
Aortic Aneurysm
Aortic Ectasia
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Key Information: ICD-10 Coding for Dilation of Aorta

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

Use ICD-10 code I71.21 for aneurysm of ascending aorta, without rupture, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Aneurysm of ascending aorta, without rupture

Billable Code
I71.21
Billable

Diagnostic Criteria

  • • Imaging shows an ascending aortic diameter ≥4.5 cm without rupture.

Applicable To

  • • Ascending aortic aneurysm

Important Notes

  • • Ensure imaging confirms the absence of rupture.

Ruptured aneurysm of ascending aorta

Billable Code
I71.11
Billable

Diagnostic Criteria

  • • Imaging showing rupture
  • • Clinical signs of rupture such as hypotension

Applicable To

  • • Ruptured ascending aortic aneurysm

Important Notes

  • • Always confirm rupture through imaging and clinical signs.
Ancillary Codes

Additional codes that may be used with this diagnosis

I10

Essential (primary) hypertension

Use when hypertension is a comorbidity.

R57.0

Cardiogenic shock

Use when shock is a complication of the rupture.

Frequently Asked Questions

What is the ICD-10 code for dilation of the aorta?

The ICD-10 code for dilation of the aorta without rupture is I71.21 for the ascending aorta. For ruptured aneurysms, use I71.11.

How is aortic dilation documented?

Document aortic dilation by specifying the anatomical site, measurement, and rupture status, using imaging reports for accuracy.

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