2007 ICD-9-CM Procedure 04.42 Other cranial nerve decompression 04.42 is a specific code that can be used to specify a procedure 04.42 contains 7 index entries View the full Volume 3 04.* hierarchy Index entries containing 04.42: Decompression ganglion (peripheral) NEC 04.49 cranial NEC 04.42 nerve (peripheral) NEC 04.49 auditory 04.42 cranial NEC 04.42 Lysis adhesions ganglion (peripheral) NEC 04.49 cranial NEC 04.42 nerve (peripheral) NEC 04.49 cranial NEC 04.42 Neurolysis (peripheral nerve) NEC 04.49 cranial nerve NEC 04.42 Release nerve (peripheral) NEC 04.49 cranial NEC 04.42