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Official Description

Correction, hallux valgus with bunionectomy, with sesamoidectomy when performed; with double osteotomy, any method

© Copyright 2026 American Medical Association. All rights reserved.

Common Language Description

The CPT® Code 28299 refers to a surgical procedure known as correction of hallux valgus with bunionectomy, which includes a sesamoidectomy when performed, and involves a double osteotomy using any method. Hallux valgus, commonly referred to as a bunion, is a deformity characterized by the lateral deviation of the big toe (hallux) at the metatarsophalangeal joint, often accompanied by a prominent bony bump on the side of the foot. This condition can lead to pain, discomfort, and difficulty in wearing shoes. The procedure aims to realign the toe and alleviate symptoms associated with the bunion. In this surgical intervention, a double osteotomy is performed, which entails two separate osteotomies: one on the proximal phalanx of the big toe and another on the first metatarsal bone. The procedure begins with a medial incision made near the bunion site, allowing access to the affected area. The surgeon excises the medial eminence, which is the bony prominence associated with the bunion, and performs the necessary osteotomies to correct the alignment of the toe. Additionally, if the sesamoid bones, which are small bones located beneath the first metatarsal head, are found to be fractured or inflamed, they may also be removed during the procedure. The surgical technique ensures that the toe is properly aligned and stabilized, promoting healing and restoring function to the foot.

© Copyright 2026 Coding Ahead. All rights reserved.

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