--- I87.311 Chronic venous hypertension (idiopathic) with ulcer of right lower extremity

--- I87.312 Chronic venous hypertension (idiopathic) with ulcer of left lower extremity

--- I87.313 Chronic venous hypertension (idiopathic) with ulcer of bilateral lower extremity

--- I87.319 Chronic venous hypertension (idiopathic) with ulcer of unspecified lower extremity