Muscle, bone or cartilage, excision of one or more of, if clinically indicated, and if: (a) the specimen excised is sent for histological confirmation; and (b) a malignant tumour of skin covered by item 31000, 31001, 31002, 31003, 31004, 31005, 31356, 31358, 31359, 31361, 31363, 31365, 31367, 31369, 31371, 31372, 31373, 31374, 31375, 31376, 31377, 31378, 31379, 31380, 31381, 31382 or 31383 is excised (Anaes.)