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2025 CPT code 13101

Complex repair of a wound on the trunk measuring 2.6 cm to 7.5 cm.

Refer to CPT coding guidelines for wound repair. Lengths of multiple repairs within the same classification and anatomical group should be added together. Modifier 59 should be used to distinguish distinct procedural services.

Modifiers may be applicable. Refer to current CPT guidelines for modifier usage.

Medical necessity for complex repair is established by the nature and extent of the wound, such as involvement of deeper structures, extensive tissue damage, or significant contamination requiring debridement.

In simple words: This procedure closes a complicated wound on the torso area, between 2.6 and 7.5 centimeters long. It may involve deep tissue layers, require removal of damaged tissue, or special types of stitches.

Complex repair of a wound on the trunk, involving layered closure of one or more deeper layers of subcutaneous tissue and superficial fascia, in addition to skin closure. This includes cases requiring exposure of bone, cartilage, tendon, or named neurovascular structure; debridement of wound edges; extensive undermining; involvement of free margins of helical rim, vermilion border, or nostril rim; or placement of retention sutures. The wound repair measures 2.6 cm to 7.5 cm in length.

Example 1: A patient presents with a deep laceration on the back, measuring 4 cm, involving the subcutaneous tissue and fascia. The wound requires debridement and layered closure., A patient has a 3 cm wound on the chest with exposed cartilage. The wound requires complex closure with retention sutures., A patient has a 7 cm laceration on the abdomen following a traumatic injury. The wound requires extensive undermining and complex repair.

Documentation should include the cause, location, and size of the wound, the extent of tissue involvement (e.g., subcutaneous, fascia, muscle, bone), the type of repair performed (e.g., layered closure, undermining, retention sutures), and any associated complications.

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