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ICD-10 Coding for Thoracic Aortic Aneurysm(I71.1x, I71.2x)

Complete ICD-10-CM coding and documentation guide for Thoracic Aortic Aneurysm. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

TAAThoracic Aneurysm

Related ICD-10 Code Ranges

Complete code families applicable to Thoracic Aortic Aneurysm

I71.1-I71.9Primary Range

Aortic aneurysm and dissection

This range includes codes for both ruptured and non-ruptured thoracic aortic aneurysms, specifying the location and rupture status.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
I71.1xRuptured thoracic aortic aneurysmUse when imaging confirms rupture of the thoracic aorta.
  • Imaging showing periaortic hematoma
  • Contrast extravasation
  • Hemothorax
I71.2xNon-ruptured thoracic aortic aneurysmUse for stable, non-ruptured aneurysms identified on imaging.
  • Serial imaging showing stable dimensions
  • No evidence of rupture

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for ruptured thoracic aortic aneurysm

Essential facts and insights about Thoracic Aortic Aneurysm

The ICD-10 code for a ruptured thoracic aortic aneurysm is I71.1x, with specific codes for ascending, arch, and descending locations.

Primary ICD-10-CM Codes for thoracic aortic aneurysm

Ruptured thoracic aortic aneurysm
Non-billable Code

Decision Criteria

clinical Criteria

  • Imaging confirms rupture with periaortic hematoma.

Applicable To

  • Ruptured ascending aortic aneurysm
  • Ruptured aortic arch aneurysm
  • Ruptured descending aortic aneurysm

Excludes

  • Non-ruptured thoracic aortic aneurysm (I71.2x)

Clinical Validation Requirements

  • Imaging showing periaortic hematoma
  • Contrast extravasation
  • Hemothorax

Code-Specific Risks

  • Incorrectly coding as non-ruptured when rupture is documented.

Coding Notes

  • Ensure rupture is documented with imaging evidence.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Syphilitic aortic aneurysm

A52.01
Use if syphilis is the underlying cause of the aneurysm.

Traumatic aortic aneurysm

S25.09
Use if the aneurysm is due to trauma.

Aortic ectasia

I77.81
Use if the dilation does not meet aneurysm criteria.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Non-ruptured thoracic aortic aneurysm

I71.2x
Use when there is no evidence of rupture on imaging.

Ruptured thoracic aortic aneurysm

I71.1x
Use when rupture is confirmed by imaging.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Thoracic Aortic Aneurysm to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I71.1x.

Impact

Clinical: May lead to inappropriate treatment decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for incorrect billing and reimbursement.

Mitigation Strategy

Always include rupture status in documentation., Use imaging reports to confirm findings.

Impact

Reimbursement: May lead to incorrect DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Reduces accuracy of clinical data.

Mitigation Strategy

Always specify the location of the aneurysm (ascending, arch, descending).

Impact

High risk of audit if unspecified codes are used when specific location is documented.

Mitigation Strategy

Always use the most specific code available.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Thoracic Aortic Aneurysm, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Thoracic Aortic Aneurysm

Use these documentation templates to ensure complete and accurate documentation for Thoracic Aortic Aneurysm. These templates include all required elements for proper coding and billing.

Thoracic Aortic Aneurysm Surveillance

Specialty: Cardiology

Required Elements

  • Location of aneurysm
  • Dimensions
  • Rupture status
  • Imaging findings

Example Documentation

Thoracic Aortic Aneurysm Surveillance Note: Location: Ascending, Dimensions: 5.5 cm, Rupture Status: Unruptured, Imaging: CT shows stable size.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Thoracic aneurysm noted.
Good Documentation Example
5.5 cm fusiform aneurysm of the ascending aorta, stable on CT.
Explanation
The good example provides specific location and size, supporting accurate coding.

Need help with ICD-10 coding for Thoracic Aortic Aneurysm? Ask your questions below.

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