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v1.0.0
ICD-10 Guide
DiagnosesAbdominal Aorta Atherosclerosis

Abdominal Aorta Atherosclerosis

ICD-10 Coding for Abdominal Aorta Atherosclerosis(I70.0)

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

Diagnosis Overview

What is Abdominal Aorta Atherosclerosis?
Essential facts and insights about Abdominal Aorta Atherosclerosis

Key Clinical Considerations:

  • Presence of calcification or plaque in the abdominal aorta
  • Symptoms of claudication or ischemic pain
  • Positive findings from imaging studies such as CT scan, MRI or ultrasound

Clinical Information

Clinical Criteria & Documentation Requirements

  • Detailed description of patient's symptoms
  • Specific location of atherosclerosis within the abdominal aorta
  • Results of diagnostic imaging or laboratory tests

Coding Guidelines

Usage Guidelines & Examples

  • I70.0 is specific for atherosclerosis of the abdominal aorta. Other codes in the I70 series may be used for atherosclerosis in different locations.
  • Distinguish from I70.8 and I70.9, which refer to atherosclerosis of other arteries and unspecified atherosclerosis respectively

Code Exclusions

Important Exclusions

  • Atherosclerosis of arteries of the extremities
  • Atherosclerosis of renal artery

Related ICD-10 Codes

Primary Codes
I70.0
Atherosclerosis of aorta
Ancillary Codes
I70.2-
Differential Codes
I71.4

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Vascular Surgery

Specialty Applications

  • Patients with diagnosed atherosclerosis localized in the abdominal aorta
  • Scenarios where atherosclerosis is causing abdominal pain or other related symptoms

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 presents with symptoms consistent with atherosclerosis of the abdominal aorta, including...

Template 2

Imaging studies confirm the presence of atherosclerotic plaques in the abdominal aorta.

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 I70.0 be used for atherosclerosis in other parts of the aorta?

No, I70.0 is specific for atherosclerosis of the abdominal aorta. Other parts of the aorta have separate codes.

When should this code be used?

This code should be used when a patient has a confirmed diagnosis of atherosclerosis in the abdominal aorta.