CPT® Code 67220

Destruction of localized lesion of choroid (eg, choroidal neovascularization); photocoagulation (eg, laser), 1 or more sessions

Destruction of a localized lesion of the choroid involves a medical procedure aimed at treating conditions such as choroidal neovascularization (CNV). This condition is characterized by the formation of new, abnormal blood vessels that originate from the choroid and penetrate through the Bruch membrane into the subretinal pigment epithelium or the subretinal space. CNV is recognized as a significant contributor to vision loss, making its effective treatment crucial. The procedure utilizes photocoagulation, specifically laser photocoagulation, which employs focused laser energy to ablate or destroy the abnormal choroidal tissue. The process begins with the identification of the lesion, typically facilitated by fluorescein angiography, a diagnostic imaging technique that helps visualize the blood vessels in the eye. Once the lesion is clearly delineated, the surgeon applies multiple laser burns to the targeted area. Each application of the laser is followed by an assessment of the burn site, allowing the surgeon to monitor the tissue's response and determine the extent of the lesion that remains to be treated, including its thickness and diameter. This procedure may be conducted over one or more sessions, depending on the specific treatment plan and the patient's needs, with sessions potentially occurring on different days within a defined treatment period.