2007 ICD-9-CM Procedure 07.13 Biopsy of pituitary gland, transfrontal approach 07.13 is a specific code that can be used to specify a procedure 07.13 contains 1 index entry View the full Volume 3 07.* hierarchy Index entries containing 07.13: Biopsy pituitary gland 07.15 transfrontal approach 07.13