2007 ICD-9-CM Procedure 03.1 Division of intraspinal nerve root Surgical interruption of a spinal or cranial nerve root. (From Dorland, 28th ed) 03.1 is a specific code that can be used to specify a procedure 03.1 contains 15 index entries View the full Volume 3 03.* hierarchy 03.1 also known as: Rhizotomy Index entries containing 03.1: Cutting nerve (cranial) (peripheral) NEC 04.03 root, spinal 03.1 spinal nerve root 03.1 Dana operation (posterior rhizotomy) 03.1 Division nerve (cranial) (peripheral) NEC 04.03 root, spinal or intraspinal 03.1 spinal nerve root 03.1 Incision (and drainage) nerve (cranial) (peripheral) NEC 04.04 root (spinal) 03.1 spinal nerve root 03.1 Operation Dana (posterior rhizotomy) 03.1 Radicotomy 03.1 Radiculectomy 03.1 Radiculotomy 03.1 Rhizotomy (radiofrequency) (spinal) 03.1 acoustic 04.01 trigeminal 04.02 Section -- see also Division and Incision nerve (cranial) (peripheral) NEC 04.03 spinal root (posterior) 03.1 Transection -- see also Division nerve (cranial) (peripheral) NEC 04.03 root (spinal) 03.1 spinal nerve root 03.1