wound coverage
for an infected or necrotic wound; drainage of a
hematoma; reoperation for hardware failure that
was probably related to an infection, woundhealing
problem, or bone-healing problem (e.g.,
delayed union or nonunion); bone grafting or
implant-exchange procedure for established nonunion
in patients with a postoperative fracture
gap of less than 1 cm; intramedullary nail