2026 ICD-10-CM Diagnosis Code I74.09Other arterial embolism and thrombosis of abdominal aorta

ICD-10-CM Codes›I00–I99›I70-I79›I74

ICD-10-CM I74.09
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I74.09 is a billable ICD-10-CM diagnosis code for other arterial embolism and thrombosis of abdominal aorta. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 299 through 301. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Aortic and peripheral arterial embolism or thrombosis.

Code Identity

ICD-10-CM Code
I74.09
Billable Status
Yes — Valid for Submission
Code Describes
Other arterial embolism and thrombosis of abdominal aorta
Short Description
Other arterial embolism and thrombosis of abdominal aorta
Same as the full description in the CMS dataset.
Parent Code
I74.0
Embolism and thrombosis of abdominal aorta

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI70-I79Diseases of arteries, arterioles and capillaries
CategoryI74Arterial embolism and thrombosis
This CodeI74.09Other arterial embolism and thrombosis of abdominal aorta

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acute aortoiliac occlusion
  • Acute occlusion of aortic bifurcation due to thromboembolus
  • Acute occlusion of aortic bifurcation due to thrombosis
  • Acute occlusion of aortoiliac artery co-occurrent and due to thromboembolus
  • Acute occlusion of aortoiliac artery due to thrombosis
  • Acute thromboembolic iliac artery occlusion
  • Acute thrombotic iliac artery occlusion
  • Aortic bifurcation syndrome
  • Aortic bifurcation thrombosis
  • Aortic thromboembolism
  • Arterial obstruction due to thrombotic embolism from aneurysm of abdominal aorta
  • Arterial obstruction due to thrombotic embolism from aneurysm of artery
  • Embolism and thrombosis of the abdominal aorta
  • Embolism from abdominal aorta
  • Embolism of iliac artery
  • Iliac artery occlusion
  • Leriche's syndrome
  • Terminal aortic occlusion
  • Thrombosis of abdominal aorta
  • Thrombosis of aorta

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Aortic bifurcation syndrome
  • Aortoiliac obstruction
  • Leriche's syndrome

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Embolism(multiple) (paradoxical)
      • aorta, aortic
        • abdominal
    • Embolism(multiple) (paradoxical)
      • aorta, aortic
        • bifurcation
    • Leriche's syndrome(aortic bifurcation occlusion)
    • Obstruction, obstructed, obstructive
      • aortoiliac
    • Occlusion, occluded
      • aortoiliac (chronic)
    • Syndrome
      • aortic
        • bifurcation
    • Thrombosis, thrombotic(bland) (multiple) (progressive) (silent) (vessel)
      • aorta, aortic
        • abdominal
    • Thrombosis, thrombotic(bland) (multiple) (progressive) (silent) (vessel)
      • aorta, aortic
        • bifurcation
    • Thrombosis, thrombotic(bland) (multiple) (progressive) (silent) (vessel)
      • aorta, aortic
        • terminal

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR CIR030
Aortic and peripheral arterial embolism or thrombosis
Default principal diagnosis: inpatient Yes · outpatient Yes

Convert I74.09 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
444.09 Ot art emb/thrm abd aort
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I74.09Overview

Is I74.09 (Embolism and thrombosis of abdominal aorta) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other arterial embolism and thrombosis of abdominal aorta on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does I74.09 group to?

When other arterial embolism and thrombosis of abdominal aorta is the principal diagnosis on an inpatient stay, it groups to MS-DRG 299, 300, 301, with relative weights from 0.7197 to 1.6327 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of I74.09?

Under the General Equivalence Mappings, other arterial embolism and thrombosis of abdominal aorta converts to ICD-9-CM 444.09 (ot art emb/thrm abd aort). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.