CPT® Code 28043

The CPT® Code 28043 refers to the excision of a tumor located in the soft tissue of the foot or toe, specifically when the tumor is subcutaneous and measures less than 1.5 cm in size. Soft tissues encompass a variety of structures, including subcutaneous fat, connective tissue, fascia, muscles, tendons, blood vessels, lymph vessels, nerves, and the tissues surrounding joints. Tumors that arise in these soft tissues can be either benign or malignant. Typically, benign tumors are treated through excision, while small malignant or indeterminate tumors may also be excised if they have well-defined margins. The procedure involves careful consideration of the tumor's location; the skin overlying the tumor may be incised directly, or a skin flap may be created and elevated to access the tumor. Once the overlying tissue is dissected, the soft tissue mass is exposed, allowing for the excision of the tumor along with a margin of healthy tissue to ensure complete removal. In some cases, a frozen section may be performed to verify that all margins are free of tumor cells, which is crucial for ensuring that the tumor has been completely excised. After the tumor removal, drains may be placed as necessary, and the surgical wound is typically closed in layers to promote proper healing. For coding purposes, it is important to distinguish between tumors based on their size and location; for instance, tumors in the subcutaneous fat or connective tissue that are less than 1.5 cm are coded with 28043, while larger tumors or those located below the fascia have different codes assigned for their excision.