2007 ICD-9-CM Procedure 03.21 Percutaneous chordotomy 03.21 is a specific code that can be used to specify a procedure 03.21 contains 8 index entries View the full Volume 3 03.* hierarchy 03.21 also known as: Stereotactic chordotomy Index entries containing 03.21: Chordotomy (spinothalmic) (anterior) (posterior) NEC 03.29 percutaneous 03.21 stereotactic 03.21 Cordotomy spinal (bilateral) NEC 03.29 percutaneous 03.21 Division nerve (cranial) (peripheral) NEC 04.03 tracts spinal cord 03.29 percutaneous 03.21 spinal cord tracts 03.29 percutaneous 03.21 Myelotomy spine, spinal (cord) (tract) (one-stage) (two-stage) 03.29 percutaneous 03.21 Splitting -- see also Division spinal cord tracts 03.29 percutaneous 03.21 Tractotomy percutaneous 03.21