2007 ICD-9-CM Procedure 01.12 Open biopsy of cerebral meninges 01.12 is a specific code that can be used to specify a procedure 01.12 contains 2 index entries View the full Volume 3 01.* hierarchy Index entries containing 01.12: Biopsy cerebral meninges NEC 01.11 open 01.12 meninges (cerebral) NEC 01.11 open 01.12