2007 ICD-9-CM Procedure 81.37 Refusion of lumbar and lumbosacral spine, lateral transverse process technique 81.37 is a specific code that can be used to specify a procedure 81.37 contains 2 index entries View the full Volume 3 81.* hierarchy Index entries containing 81.37: Fusion spinal (with graft) (with internal fixation) (with instrumentation) 81.00 lumbar, lumbosacral NEC 81.08 lateral transverse process technique 81.07 for pseudarthrosis 81.37 Refusion spinal, NOS 81.30 lumbar, lumbosacral NEC 81.38 lateral transverse process technique 81.37