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.
In general, mollusks have 3 body regions: a head, a visceral mass, and a foot.. The head contains the sense organs and brain, while the visceral mass contains the internal organs. The foot is the muscular lower part of the body which is in contact with the substrate. Mollusks usually have a shell (although some do not). Mollusks also have an extension of the body wall called the mantle. This portion of the animal's anatomy is responsible for secreting the shell. The mantle encloses the mantle cavity which contains the Ctenidia (gills), anus and excretory pores.