Wang Respiratory Score (WRS)
Wells' criteria for deep vein thrombosis
Wells' criteria for pulmonary embolism
West-Haven criteria for hepatic encephalopathy severity
Westley croup score
Wexner/Cleveland Clinic Fecal Incontinence Score (CCFIS)
WHO criteria for early primary myelofibrosis
WHO criteria for essential thrombocythemia
WHO criteria for overt primary myelofibrosis
WHO criteria for polycythemia vera in men
WHO criteria for polycythemia vera in women
WHO criteria for staging of African trypanosomiasis
Widespread Pain Index (WPI)
Withdrawal Assessment Tool for pediatric patients (WAT-1)
World Society of Emergency Surgery classification of liver trauma (WSES classification)