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ICD-10 Coding for Aortoiliac Aneurysm(I72.3)

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

Also known as:

Iliac Artery AneurysmAortic-Iliac Aneurysm

Related ICD-10 Code Ranges

Complete code families applicable to Aortoiliac Aneurysm

I72.3Primary Range

Aneurysm of iliac artery

This range covers aneurysms specifically located in the iliac arteries, which are part of the aortoiliac region.

Aortic aneurysms, including abdominal and thoracic

These codes are relevant when the aortoiliac aneurysm involves the abdominal aorta.

Key Information: ICD-10 code for aortoiliac aneurysm

Essential facts and insights about Aortoiliac Aneurysm

The ICD-10 code for an aortoiliac aneurysm is I72.3. Ensure documentation specifies rupture status and laterality for accurate coding.

Primary ICD-10-CM Code for aortoiliac aneurysm

Aneurysm of iliac artery
Billable Code

Decision Criteria

clinical Criteria

  • Imaging confirms iliac artery aneurysm ≥3 cm.

documentation Criteria

  • Documentation specifies rupture status and laterality.

Applicable To

  • Common iliac artery aneurysm
  • Internal iliac artery aneurysm
  • External iliac artery aneurysm

Excludes

  • Aortic aneurysm (I71.-)

Clinical Validation Requirements

  • Imaging showing iliac artery diameter ≥1.5x normal
  • Symptoms such as pain or pulsatile mass

Code-Specific Risks

  • Misclassification of rupture status
  • Omission of laterality

Coding Notes

  • Ensure documentation specifies rupture status and laterality.

Ancillary Codes

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

Personal history of aortic aneurysm

Z86.73
Use for surveillance encounters post-repair or monitoring.

Differential Codes

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

Abdominal aortic aneurysm, without rupture

I71.4
Use when the aneurysm involves the abdominal aorta without rupture.

Aortic ectasia

I77.81
Use for dilatation of the aorta less than 3 cm.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Aortoiliac Aneurysm to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I72.3.

Impact

Clinical: May lead to incorrect treatment planning., Regulatory: Increases risk of non-compliance with coding standards., Financial: Potential for denied claims due to insufficient detail.

Mitigation Strategy

Use templates that prompt for laterality, Regular training on documentation standards

Impact

Reimbursement: May lead to lower reimbursement due to lack of specificity., Compliance: Increases risk of audit due to vague coding., Data Quality: Reduces accuracy of clinical data.

Mitigation Strategy

Ensure documentation specifies the exact location and rupture status.

Impact

Failure to document rupture status can lead to incorrect DRG assignment.

Mitigation Strategy

Implement a checklist for documentation review before claim submission.

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 Aortoiliac Aneurysm, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Aortoiliac Aneurysm

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

Surveillance of known aortoiliac aneurysm

Specialty: Vascular Surgery

Required Elements

  • Aneurysm size and location
  • Rupture status
  • Associated conditions

Example Documentation

Patient presents for surveillance of known 4.0 cm right common iliac aneurysm (I72.31) and 4.8 cm AAA (I71.41). CTA confirms stable dimensions, no dissection or endoleak. Plan: Continue annual imaging.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Aneurysm noted in iliac region.
Good Documentation Example
4.5 cm fusiform aneurysm of the right common iliac artery without rupture. Associated 5.1 cm infrarenal AAA. No endoleak on CTA.
Explanation
The good example provides specific measurements, location, and rupture status, which are essential for accurate coding and billing.

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

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