ICD-10 Code I74.5 – Embolism and thrombosis of iliac artery (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code I74.5 – Embolism and thrombosis of iliac artery
What it is
I74.5 identifies a blockage in the iliac artery caused by an embolus or a thrombus. Use it when documentation states acute arterial obstruction in the iliac vessel.
Clinical signs
Common findings include sudden leg pain, coldness, pallor, weak pulses, or reduced limb perfusion. Clinical features vary; refer to documentation.
When to use this code
Use I74.5 when the provider documents embolism or thrombosis involving the iliac artery, whether acute or otherwise specified. It also fits cases where imaging or operative notes clearly identify the iliac artery as the affected site. Check documentation if the record only says peripheral arterial occlusion.
Do not use for
Do not use this code for venous thrombosis, atherosclerosis without acute embolism or thrombosis, or unspecified lower-extremity arterial disease. Check documentation when the vessel location is not clearly the iliac artery.
Coding tip
Confirm both the vessel and the cause—embolism versus thrombosis—are documented before assigning I74.5.