2007 ICD-9-CM Procedure 81.0 Spinal fusion Operative immobilization or ankylosis of two or more vertebrae by fusion of the vertebral bodies with a short bone graft or often with diskectomy or laminectomy. (From Blauvelt & Nelson, A Manual of Orthopaedic Terminology, 5th ed, p236; Dorland, 28th ed) 81.0 is a non-specific code that should not be used to specify a procedure View the full Volume 3 81.* hierarchy Code also any insertion of interbody spinal fusion device (84.51) any insertion of recombinant bone morphogenetic protein (84.52) the total number of vertebrae fused (81.62-81.64) 81.0 includes: arthrodesis of spine with: bone graft internal fixation 81.0 excludes: correction of pseudarthrosis of spine (81.30- 81.39) refusion of spine (81.30 - 81.39)