2007 ICD-9-CM Procedure 84.58 Implantation of interspinous process decompression device 84.58 is a specific code that can be used to specify a procedure 84.58 contains 4 index entries View the full Volume 3 84.* hierarchy 84.58 excludes: fusion of spine (81.00-81.08, 81.30-81.39) Index entries containing 84.58: Implant, implantation spine NEC 84.59 interspinous process decompression device 84.58 X Stop™ 84.58 Insertion spine interspinous process decompression device 84.58 X Stop™ 84.58