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The CPT® Code 28290 refers to a surgical procedure known as the correction of hallux valgus, commonly referred to as a bunion. This procedure may include a sesamoidectomy, which is the removal of the sesamoid bones, but it can also be performed without this step. Specifically, the procedure described is a simple exostectomy, which is a type of bunionectomy that does not involve any complex bony reconstruction. The most recognized technique associated with this code is the Silver type procedure, which focuses on the removal of the medial eminence of the metatarsal bone. This is achieved through a surgical incision made over the medial aspect of the metatarsophalangeal joint, allowing for direct access to the affected area. The procedure is designed to alleviate pain and correct the deformity associated with hallux valgus by excising the bony prominence that contributes to the condition. The surgical approach is minimally invasive, emphasizing soft tissue management and careful dissection to expose the joint capsule, which is then incised to facilitate the removal of the medial eminence. The procedure may also involve the excision of the sesamoid bones if they are found to be fractured or inflamed, further addressing any associated complications. Overall, this procedure aims to restore normal alignment and function of the big toe while minimizing recovery time and complications.
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