2007 ICD-9-CM Procedure 04.02 Division of trigeminal nerve 04.02 is a specific code that can be used to specify a procedure 04.02 contains 17 index entries View the full Volume 3 04.* hierarchy 04.02 also known as: Retrogasserian neurotomy Index entries containing 04.02: Compression, trigeminal nerve 04.02 Crushing nerve (cranial) (peripheral) NEC 04.03 trigeminal 04.02 Cutting nerve (cranial) (peripheral) NEC 04.03 trigeminal 04.02 Division nerve (cranial) (peripheral) NEC 04.03 trigeminal 04.02 Electrocoagulation -- see also Destruction, lesion, by site gasserian ganglion 04.02 Frazier (-Spiller) operation (subtemporal trigeminal rhizotomy) 04.02 Ganglionotomy, trigeminal (radiofrequency) 04.02 Neurotomy (cranial) (peripheral) (spinal) NEC 04.04 retrogasserian 04.02 Neurotripsy (peripheral) NEC 04.03 trigeminal 04.02 Operation Frazier (-Spiller) (subtemporal trigeminal rhizotomy) 04.02 Pancoast (division of trigeminal nerve at foramen ovale) 04.02 Pancoast operation (division of trigeminal nerve at foramen ovale) 04.02 Retrogasserian neurotomy 04.02 Rhizotomy (radiofrequency) (spinal) 03.1 trigeminal 04.02 Section -- see also Division and Incision nerve (cranial) (peripheral) NEC 04.03 trigeminal tract 04.02 Tractotomy trigeminal (percutaneous) (radiofrequency) 04.02 Transection -- see also Division nerve (cranial) (peripheral) NEC 04.03 trigeminal 04.02