I75.022 Atheroembolism of left lower extremity

ICD-10-CM Diagnosis Code I75.022: Atheroembolism of left lower extremity

ICD-10-CM code I75.022 represents the diagnosis of atheroembolism of the left lower extremity, classified as a disease or syndrome within the circulatory system. It is a billable, specific code under the broader subcategory of lower extremity atheroembolism, with no listed additional coding instructions. 1 3

Plain-language overview

ICD-10-CM code I75.022 identifies a health condition classified as a disease or syndrome, specifically an atheroembolism occurring in the left lower extremity. 1

What this code represents

The code I75.022 is an active terminology concept with a parent concept of I75.02, which broadly defines atheroembolism of the lower extremity without specifying laterality. 1

Within the ICD-10-CM structure, I75.022 is a billable and specific code that has no child codes, meaning it represents the most detailed level of coding for this particular diagnosis. 3

Coding details

Code I75.022 is situated in Chapter 9 for circulatory system diseases, specifically within the I70-I79 block for arteries, arterioles, and capillaries, and under category I75 for atheroembolism. 3

The April 2026 reference data for I75.022 lists no inclusion terms, no code first instructions, and no use additional code instructions for this specific diagnosis. 3

Documentation considerations

The official terminology record for I75.022 assigns the preferred name of atheroembolism of the left lower extremity, distinguishing this specific diagnosis from the broader parent concept of lower extremity atheroembolism. 1

What the sources add

While the official terminology record establishes the code's preferred name and active status, the coding reference adds operational context by detailing its hierarchical placement and billable specificity. 1 3

A separate phecode mapping resource groups various upper and lower extremity arterial embolisms together, including an unspecified lower extremity atheroembolism, under a broader embolism category. 2

Sources

1. ICD-10-CM I75.022 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Phecode 444 · ExPRSweb — csg.sph.umich.edu; accessed 2026-07-27.
3. ICD-10-CM Code I75.022 | Vero — veroscribe.com; accessed 2026-07-27.