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Home/Diagnosis/ICD-10 Coding for Aneurysm of Ascending Aorta

ICD-10 Coding for Aneurysm of Ascending Aorta

I71.21
I71.11

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

Also Known as:
Ascending Aortic Aneurysm
Thoracic Aortic Aneurysm (Ascending)
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Key Information: ICD-10 Coding for Aneurysm of Ascending Aorta

Essential facts and insights about ICD-10 Coding for Aneurysm of 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:
  • • Aneurysm size ≥5 cm on imaging
documentation:
  • • Specific mention of 'ascending aorta' and 'without rupture'

Applicable To

  • • Non-ruptured ascending aortic aneurysm

Important Notes

  • • Ensure documentation specifies the location and rupture status.

Ruptured aneurysm of ascending aorta

Billable Code
I71.11
Billable

Diagnostic Criteria

clinical:
  • • Imaging or surgical confirmation of rupture
  • • Clinical signs of rupture such as hemodynamic instability

Applicable To

  • • Ruptured ascending aortic aneurysm

Important Notes

  • • Document rupture status clearly to avoid misclassification.
Ancillary Codes

Additional codes that may be used with this diagnosis

Q23.1

Congenital bicuspid aortic valve

Use if the patient has a congenital bicuspid aortic valve.

I71.01x

Aortic dissection involving ascending aorta

Use if dissection is present with the aneurysm.

Frequently Asked Questions

What is the ICD-10 code for a non-ruptured ascending aortic aneurysm?

The ICD-10 code for a non-ruptured ascending aortic aneurysm is I71.21. This code is used when the aneurysm is confirmed without rupture.

How do you code a ruptured ascending aortic aneurysm?

A ruptured ascending aortic aneurysm is coded as I71.11. Ensure documentation confirms rupture through imaging or clinical evidence.

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