ICD-10-CM > I00-I99 > I80-I89 > I83 > I83.8 > I83.81 I83.81 Varicose veins of lower extremities with pain Non-Billable/Non-Specific Codes I83.811Varicose veins of right lower extremity with painI83.812Varicose veins of left lower extremity with painI83.813Varicose veins of bilateral lower extremities with painI83.819Varicose veins of unspecified lower extremity with pain