Definitive burn wound closure, or closure of skin defect secondary to necrotising fasciitis or secondary to release of burns scar contracture, if the defect area involves 10% or more but less than 20% of total body surface, using autologous tissue (split skin graft or other) following previous procedure using non-autologous temporary wound closure or simple dressings, excluding aftercare (H) (Anaes.) (Assist.)