ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
DiagnosesAbdominal Aortic Aneurysm Without Rupture

Abdominal Aortic Aneurysm Without Rupture

ICD-10 Coding for Abdominal Aortic Aneurysm without Rupture(I71.40, I71.41, I71.42, I71.43)

PRIMARY SPECIALTYVascular Surgery
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Abdominal Aortic Aneurysm Without Rupture?
Essential facts and insights about Abdominal Aortic Aneurysm without Rupture

Key Clinical Considerations:

  • Presence of a localized or diffuse dilation of the abdominal aorta
  • Aneurysm diameter is 3.0 cm or larger
  • Absence of symptoms related to rupture such as severe abdominal or back pain, rapid pulse, or shock

Clinical Information

Clinical Criteria & Documentation Requirements

  • Detailed description of the aneurysm including its size, location, and morphology
  • Clinical evidence supporting the diagnosis such as imaging results
  • Absence of rupture or any complications related to the aneurysm

Coding Guidelines

Usage Guidelines & Examples

  • I71.40 is used when the aneurysm is without mention of rupture, unspecified
  • I71.41 is used when the aneurysm is a toracoabdominal aneurysm, without rupture
  • I71.42 is used when the aneurysm is an abdominal aortic aneurysm, without rupture, with mention of obstruction, embolism, or thrombosis
  • I71.43 is used when the aneurysm is an abdominal aortic aneurysm, without rupture, with mention of rupture

Code Exclusions

Important Exclusions

  • Ruptured abdominal aortic aneurysm (I71.3)
  • Aortic aneurysm of unspecified site (I71.9)

Related ICD-10 Codes

Primary Codes
I71.4
Abdominal aortic aneurysm, without rupture
Ancillary Codes
Z13.6
Differential Codes
I71.3-

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Vascular Surgery

Specialty Applications

  • Patients with a confirmed diagnosis of abdominal aortic aneurysm
  • Scenarios where the aneurysm is asymptomatic or not causing any complications

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Template 1

Patient diagnosed with an abdominal aortic aneurysm measuring [size] cm. No evidence of rupture or complications.

Template 2

Imaging confirms presence of an abdominal aortic aneurysm. Aneurysm is asymptomatic and measures [size] cm.

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Can this code be used for a patient with a suspected aneurysm?

No, this code should only be used when the aneurysm is confirmed through clinical or imaging evidence.

When should this code be used?

This code should be used for patients with a confirmed diagnosis of abdominal aortic aneurysm that has not ruptured.