Post-mastectomy breast reconstruction, autologous, single surgeon (bilateral) using a myocutaneous or perforator flap, by microsurgical transfer:(a) including anastomoses of arteries and veins (including repair of secondary skin defect); but(b) excluding repair of muscular aponeurotic layer;other than a service associated with a service to which item 30166, 30169, 30175, 30177 or 30179 applies (H) (Anaes.) (Assist.)