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Home/Diagnosis/ICD-10 Coding for Enlarged Ascending Aorta

ICD-10 Coding for Enlarged Ascending Aorta

I71.21
I77.810

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

Also Known as:
Ascending Aortic Dilation
Thoracic Aortic Ectasia
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Key Information: ICD-10 Coding for Enlarged Ascending Aorta

Essential facts and insights about ICD-10 Coding for Enlarged Ascending 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

clinical_criteria:
  • Aortic diameter ≥45 mm on imaging

Applicable To

  • • Ascending aortic aneurysm ≥45 mm

Important Notes

  • • Ensure accurate measurement and documentation of aortic size.

Thoracic aortic ectasia

Billable Code
I77.810
Billable

Diagnostic Criteria

clinical_criteria:
  • Imaging showing aortic diameter 35-44 mm

Applicable To

  • • Mild dilation of ascending aorta (35-44 mm)

Important Notes

  • • Document stability and lack of symptoms.
Frequently Asked Questions

What is the ICD-10 code for an enlarged ascending aorta?

The ICD-10 code for an enlarged ascending aorta depends on the condition: I71.21 for aneurysm and I77.810 for ectasia.

How do you differentiate between aortic aneurysm and ectasia?

Aortic aneurysm is diagnosed with a diameter ≥45 mm, while ectasia is 35-44 mm. Accurate imaging and documentation are crucial.

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