Ecosystems. ~0 answered questions. Parent Category: Ecology and Bionomics. This category is a discussion of the environment in which animals, plants, and microorganisms live, how they interact with each other and what the impact of various living entities have on the environment can be found in this section.
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.
If the physician documents excisional biopsy but removes an entire lesion, assign the code for the lesion excision. When only a portion of the lesion is excised, the biopsy code is assigned (AHA Coding Clinic for ICD-9-CM, 1990, second quarter, page 28). Open vs. Closed Biopsy. Biopsies are typically classified as open or closed.