CPT® Code 23035

An incision of the bone cortex in the shoulder area is a surgical procedure performed to address conditions such as osteomyelitis, which is an infection of the bone, or a bone abscess, which is a localized collection of pus within the bone. The shoulder area encompasses several bones, including the clavicle, scapula, and the humeral head and neck. During this procedure, the surgeon makes an incision through the skin and soft tissue to reach the affected area. The periosteum, which is the dense layer of vascular connective tissue enveloping the bones, is carefully elevated to expose the underlying bone cortex. A small section, referred to as a button of cortical bone, is then removed to access the bone marrow beneath. If the procedure reveals the presence of pus, the surgeon may enlarge the incision using specialized instruments such as a chisel or gouge, allowing for further drainage along the bone surface. In cases where the epiphysis, the end part of a long bone, is involved, a portion of the epiphyseal cortex may also be excised to ensure complete drainage of the abscess. This procedure is critical for treating infections and preventing further complications associated with bone diseases.