CPT® Code 28054

The procedure described by CPT® Code 28054 refers to an arthrotomy with biopsy specifically targeting the interphalangeal joint. The interphalangeal joints are the hinge joints located between the phalanges of the fingers and toes, allowing for flexion and extension. This procedure involves making an incision to access the joint space, which is crucial for obtaining tissue samples for diagnostic purposes. The term 'arthrotomy' indicates that the joint capsule is surgically opened, allowing the physician to directly visualize and access the joint structures. During the biopsy, tissue samples are collected from the joint for further laboratory analysis, which can help in diagnosing various conditions affecting the joint. The procedure concludes with the careful closure of the incision in layers to promote optimal healing, followed by the application of a dressing to protect the surgical site. It is important to note that this code is specifically designated for biopsies of the proximal or distal interphalangeal joints, distinguishing it from similar procedures performed on other joints, such as the intertarsal or tarsometatarsal joints, which are coded differently (CPT® Codes 28050 and 28052, respectively).