2007 ICD-9-CM Procedure 03.99 Other 03.99 is a specific code that can be used to specify a procedure 03.99 contains 2 index entries View the full Volume 3 03.* hierarchy Index entries containing 03.99: Operation meninges (spinal) NEC 03.99 cerebral NEC 02.99 spinal (canal) (cord) (structures) NEC 03.99