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<![CDATA[The group of CPT codes that deal with major surgical procedures in the spine (22100-22889) (graft codes) were revised during 1994-1995 by a work group from the American Association of Neurological Surgeons (AANS) and the American Academy of Orthopaedic Surgeons (AAOS). The codes for preparation and harvesting of bone grafts for spinal procedures (20930-20938) were also revised to more...