2007 ICD-9-CM Procedure 04.0 Incision, division, and excision of cranial and peripheral nerves 04.0 is a non-specific code that should not be used to specify a procedure View the full Volume 3 04.* hierarchy 04.0 excludes: opticociliary neurectomy (12.79) sympathetic ganglionectomy (05.21-05.29)