CPT® Code 67340

Add-On Code

Strabismus surgery involving exploration and/or repair of detached extraocular muscle(s) (List separately in addition to code for primary procedure)

Strabismus surgery involving exploration and/or repair of detached extraocular muscle(s) is a specialized procedure aimed at addressing complications that arise from previous eye surgeries or injuries. This procedure is particularly relevant when extraocular muscles, which are responsible for eye movement, become detached. Such detachment can occur due to various reasons, including prior recession or resection surgeries, trauma to the face or eye, or complications during surgical interventions. The surgery begins with an incision in the conjunctiva, the thin membrane covering the eye, over the affected muscle. This step is crucial as it allows the surgeon to access the extraocular muscles directly. In many cases, the presence of scar tissue from earlier surgeries or injuries complicates the exploration process, necessitating careful dissection. The surgeon then explores the orbit, the bony cavity containing the eye, to locate the detached muscle. If the muscle is not retrievable, a transposition procedure may be necessary, which involves repositioning the muscle to restore function. If the muscle is found, it is meticulously examined to assess its viability for reattachment. In instances where reattachment is not feasible due to severe damage, a transposition procedure is performed instead. Conversely, if reattachment is possible, the muscle is debrided to remove any damaged tissue and then sutured back to its original insertion site or to a new location on the globe. Following the repair of the detached muscle, the primary strabismus procedure is completed, ensuring that the overall alignment and function of the eyes are addressed.