I83.11 Varicose veins of right lower extremity with inflammation

ICD-10-CM Diagnosis Code I83.11: Varicose Veins of Right Lower Extremity with Inflammation

ICD-10-CM code I83.11 identifies varicose veins of the right lower extremity with inflammation. This active diagnosis concept is a narrower term under the parent category for lower extremity varicose veins with inflammation. Clinical guidelines describe lower extremity varicose veins as a frequent condition that may cause pain, swelling, and skin changes, while payer articles address billing and coverage context. 1 2 4

Plain-language overview

Varicose veins of the lower extremities are frequent medical conditions that may cause discomfort, pain, swelling, thrombosis, bleeding, and ulcerations, impacting physical and psychological quality of life. 2

What this code represents

Code I83.11 is an active ICD-10-CM terminology concept representing the disease or syndrome of varicose veins of the right lower extremity with inflammation. 1

The I83.11 diagnosis concept is a narrower term under the parent concept I83.1, which categorizes varicose veins of lower extremities with inflammation. 1

Coding details

Venous inflammation, also called phlebitis, associated with varicose veins is coded to I83.11 for the right lower extremity or I83.12 for the left lower extremity. 6

Venous stasis eczema with varicose veins is coded to varicose veins with inflammation, and when chronic venous insufficiency is present with varicose veins, only the varicose veins are coded. 6

Documentation considerations

Coders should avoid unspecified lower extremity codes whenever possible and obtain further detail to differentiate varicose veins by related conditions like inflammation and by anatomic site. 6

Coverage and utilization context

Medicare Administrative Contractors publish billing and coding articles that complement Local Coverage Determinations to address superficial venous interventions and list code I83.11. 4 5 6

What the sources add

While terminology records define the active diagnosis concept and clinical guidelines describe disease management, payer billing articles provide operational context for code utilization in coverage policies. 1 2 4

Sources

1. ICD-10-CM I83.11 terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. The 2023 Society for Vascular Surgery, American Venous Forum, and American Vein and Lymphatic Society clinical practice guidelines for the management of varicose veins of the lower extremities. Part II — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Phecode 454 · ExPRSweb — csg.sph.umich.edu; accessed 2026-07-27.
4. Article - Billing and Coding: Varicose Veins of the Lower Extremity, Treatment of (A57305) — cms.gov; accessed 2026-07-27.
5. Article - Billing and Coding: Treatment of Varicose Veins of the Lower Extremity (A52870) — cms.gov; accessed 2026-07-27.
6. Superficial Venous Interventions Coding Corner — medtronic.com; accessed 2026-07-27.