81.3 Refusion of spine
Includes:
arthrodesis of spine with:
bone graft
internal fixation
correction of pseudarthrosis of spine
Code also any insertion of interbody spinal fusion device (84.51)
any insertion of recombinant bone morphogenetic protein (84.52)
any synchronous excision of (locally) harvested bone for graft (77.70-77.79)
the total number of vertebrae fused (81.62-81.64)