2007 ICD-9-CM Procedure 34.29 Other diagnostic procedures on mediastinum 34.29 is a specific code that can be used to specify a procedure 34.29 contains 1 index entry View the full Volume 3 34.* hierarchy 34.29 excludes: mediastinal: pneumogram (87.33) x-ray NEC (87.49) Index entries containing 34.29: Procedure -- see also specific procedure diagnostic NEC mediastinum 34.29