Hypocomplementemic Urticarial Vasculitis, also known as mac duffie hypocomplementemic urticarial vasculitis, is related to vasculitis and urticaria, and has symptoms including urticarial vasculitis An important gene associated with Hypocomplementemic Urticarial Vasculitis is DNASE1L3 (Deoxyribonuclease 1 Like 3). Affiliated tissues include skin and lung, and related phenotypes are skin rash and pruritus