2007 ICD-9-CM Procedure 81.05 Dorsal and dorsolumbar fusion, posterior technique 81.05 is a specific code that can be used to specify a procedure 81.05 contains 3 index entries View the full Volume 3 81.* hierarchy 81.05 also known as: Arthrodesis of thoracic or thoracolumbar region: posterior (interbody) technique posterolateral technique Index entries containing 81.05: Fusion spinal (with graft) (with internal fixation) (with instrumentation) 81.00 dorsal, dorsolumbar NEC 81.05 anterior (interbody), anterolateral technique 81.04 for pseudarthrosis 81.34 for pseudarthrosis 81.35 posterior (interbody), posterolateral technique 81.05 for pseudarthrosis 81.35 Insertion Harrington rod -- see also Fusion, spinal, by level with dorsal, dorsolumbar fusion 81.05