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    OpenPayerBilling CodesDiseases of arteries, arterioles and capillariesICD-10-CM i75-atheroembolism
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    ICD-10-CM Code For Atheroembolism: Group Overview

    The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code group I75 includes diagnoses related to atheroembolism, where cholesterol or atheromatous debris from large arteries occludes smaller distal vessels causing ischemia and inflammatory responses in target organs. These ICD-10-CM diagnosis codes are used to document clinical scenarios such as acute or chronic ischemic injury due to cholesterol embolization, organ-specific complications like renal failure or cutaneous manifestations, and procedural or iatrogenic events that precipitate embolization. Accurate coding within the ICD-10-CM I75 group supports proper claim adjudication and complete clinical documentation and appropriate reimbursement.

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    ICD-10-CM I75: Atheroembolism Overview

    Atheroembolism codes describe conditions in which cholesterol crystals or atheromatous debris dislodge from arterial plaques and embolize to downstream small arteries and arterioles, causing ischemic and inflammatory injury to affected organs. These diagnoses primarily affect the vascular system and commonly involve the kidneys, skin, gastrointestinal tract, and lower extremities. Accurate coding matters for reimbursement because it documents the severity, organ involvement, and complications that influence payer adjudication and resource use.

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    When to Use

    Use a code from this group when clinical, histopathologic, or imaging evidence identifies cholesterol or atheromatous material embolizing to distal vessels with resultant organ dysfunction. Assign these codes to reflect the affected organs and any related complications documented during the encounter.

    ICD-10-CM Codes

    10 rows

    ICD-10-CM CodeDescription
    I75.011Atheroembolism of right upper extremity
    I75.012Atheroembolism of left upper extremity
    I75.013Atheroembolism of bilateral upper extremities
    I75.019Atheroembolism of unspecified upper extremity
    I75.021Atheroembolism of right lower extremity
    I75.022Atheroembolism of left lower extremity
    I75.023Atheroembolism of bilateral lower extremities
    I75.029Atheroembolism of unspecified lower extremity
    I75.81Atheroembolism of kidney
    I75.89Atheroembolism of other site

    DRG Codes

    6 rows

    DRG CodeDescription
    299Peripheral Vascular Disorders with MCC
    300Peripheral Vascular Disorders with CC
    301Peripheral Vascular Disorders without CC/MCC
    698Other Kidney and Urinary Tract Diagnoses with MCC
    699Other Kidney and Urinary Tract Diagnoses with CC
    700Other Kidney and Urinary Tract Diagnoses without CC/MCC

    Typical Clinical Scenarios

    • An elderly patient with known diffuse atherosclerotic disease presents to the emergency department with sudden onset livedo reticularis, painful blue toe(s), and acute renal impairment after recent cardiac catheterization; imaging and labs suggest cholesterol crystal embolization causing ischemia to the lower extremities and kidneys, so an atheroembolism diagnosis is assigned to explain the acute vascular occlusive event. Typical codes: I75.029, I75.019.
    • A middle-aged patient with longstanding peripheral arterial atherosclerosis develops progressive, intermittent painful mottling and nonhealing ulcers of the toes over weeks without a clear acute trigger; vascular evaluation attributes ongoing microembolization from an atherosclerotic plaque as the cause, and the outpatient diagnosis is used to document chronic atheroembolic ischemia of the distal extremity. Typical codes: I75.023, I75.022.
    • A hospitalized patient with recent thoracic aortic endovascular repair later develops multi-organ dysfunction including acute kidney injury and livedo on the lower limbs; clinicians identify cholesterol embolization as a postoperative complication and assign a code to capture atheroembolism as the cause of the new organ dysfunction and to inform prognosis and management planning. Typical codes: I75.012, I75.81.

    Related Codes

    I70-ATHEROSCLEROSIS

    ICD-10-CM Code For Atherosclerosis: Group Overview

    I71-AORTIC-ANEURYSM-AND-DISSECTION

    ICD-10-CM Code For Aortic Aneurysm And Dissection: Group Overview

    I72-OTHER-ANEURYSM-PERIPHERAL-ARTERIES

    ICD-10-CM Code For Other Aneurysm: Group Overview

    I73-OTHER-PERIPHERAL-VASCULAR-DISEASES

    ICD-10-CM Code For Other Peripheral Vascular Diseases: Group Overview

    I74-ARTERIAL-EMBOLISM-AND-THROMBOSIS

    ICD-10-CM Code For Arterial Embolism And Thrombosis: Group Overview

    I76-SEPTIC-ARTERIAL-EMBOLISM

    ICD-10-CM Code For Septic Arterial Embolism: Group Overview

    I77-OTHER-DISORDERS-OF-ARTERIES-AND-ARTERIOLES

    ICD-10-CM Code For Other Disorders Of Arteries And Arterioles: Group Overview

    I78-DISEASES-OF-CAPILLARIES

    ICD-10-CM Code For Diseases Of Capillaries: Group Overview

    I79-DISORDERS-OF-ARTERIES-ARTERIOLES-CAPILLARIES

    ICD-10-CM Code For Disorders Of Arteries Arterioles And Capillaries In Diseases Classified Elsewhere: Group Overview

    Frequently Asked Questions

    References

    1. 1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
    2. 2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
    3. 3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.
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