CPT® Code 56633

The procedure described by CPT® Code 56633 refers to a radical complete vulvectomy, which involves the surgical removal of the entire vulva, including the mons pubis, labia majora and minora, clitoris, vaginal vestibule, glands, urethral opening, and vaginal opening. This extensive procedure is primarily indicated for the treatment of invasive carcinoma affecting the vulvar region. Unlike a simple vulvectomy, which only removes a portion of the vulva, a radical vulvectomy extends deeper into the perineal fascia and may even reach the periosteum of the pubic symphysis, ensuring that all affected vulvar structures are excised. The surgical approach requires careful marking of excision margins to include a sufficient amount of healthy tissue surrounding the malignancy. The incision typically begins above the labial folds in the mons pubis and proceeds through various layers of tissue, including the skin and subcutaneous fat, down to the perineal fascia. The procedure is designed to ensure complete removal of cancerous tissues while minimizing the risk of complications and promoting optimal healing.