I75.021 Atheroembolism of right lower extremity

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from I75 Atheroembolism

Includes

• atherothrombotic microembolism
• cholesterol embolism

Risk adjustment (HCC)

• CMS-HCC V28: HCC 264 — Vascular Disease with Complications
• CMS-HCC V22: HCC 107 — Vascular Disease with Complications
• ESRD V24: HCC 107

MS-DRG index

Defines the logic of DRG(s) 299-301 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 445.02 Atheroembolism of lower extremity (approximate)

Code annotations containing back-references to I75.021

Back-references to I75

• Type 2 Excludes: I25.1 Atherosclerotic heart disease of native coronary artery ("atheroembolism (I75.-)")
• Type 2 Excludes: I70 Atherosclerosis ("atheroembolism (I75.-)")
• Type 2 Excludes: I74 Arterial embolism and thrombosis ("atheroembolism (I75.-)")

Nearby codes

• I75.011 Atheroembolism of right upper extremity
• I75.012 Atheroembolism of left upper extremity
• I75.013 Atheroembolism of bilateral upper extremities
• I75.019 Atheroembolism of unspecified upper extremity
• I75.02 Atheroembolism of lower extremity
• I75.021 Atheroembolism of right lower extremity (this code)
• I75.022 Atheroembolism of left lower extremity
• I75.023 Atheroembolism of bilateral lower extremities
• I75.029 Atheroembolism of unspecified lower extremity
• I75.8 Atheroembolism of other sites
• I75.81 Atheroembolism of kidney