in addition to code for primary procedure) Description Integra bilayer matrix wound dressing (bmwd), per square centimeter Integra dermal regeneration template (drt), per square centimeter Integra matrix, per sq cm Skin substitute (Integra Meshed Bilayer Wound Matrix), per square cm Description Burn of face, head, and neck Burn of trunk Burn of upper limb, except wrist and hand Burn of wrist(s) an