Post-phlebitic syndrome of any etiology

Asymptomatic palpable or visible varicose veins

Intermittent edema of extremity or aching and fatigue in leg after prolonged standing or walking, with symptoms relieved by elevation of extremity or compression hosiery

Persistent edema, incompletely relieved by elevation of extremity, with or without beginning stasis pigmentation or eczema

Persistent edema and stasis pigmentation or eczema, with or without intermittent ulceration

Persistent edema or subcutaneous induration, stasis pigmentation or eczema, and persistent ulceration

Massive board-like edema with constant pain at rest