Tumour, cyst, ulcer or scar (other than a scar removed during the surgical approach at an operation), removal of and suture, if: (a) the lesion size is more than 10 mm, but not more than 20 mm, in diameter; and (b) the removal is from a mucous membrane by surgical excision (other than by shave excision); and (c) the specimen excised is sent for histological examination (Anaes.)