There are no codes in the vulvar excision section for a cyst removal (other than Bartholin's) and this cyst was of the labia so that rules out the vaginal cyst excision code of 57135. The code I have settled on is 11423: Excision, benign lesion including margins...genitalia; excised diameter 2.1 to 3.0cm.
A ll modern mollusks have the same fundamental body plan. There are three distinct body zones: a head-foot, a visceral mass and a mantle. Some common features are 1  : Unsegmented soft body with bilateral symmetry.
Crustaceans are different from other arthropods because of their limbs which are parted into two, their larval stages, and the modification of the appendages. Characteristics and Structures Crustaceans have three body parts, the head and thorax are fused to form a cephalothorax, and the abdomen.