2007 ICD-9-CM Procedure 33.25 Open biopsy of bronchus 33.25 is a specific code that can be used to specify a procedure 33.25 contains 1 index entry View the full Volume 3 33.* hierarchy 33.25 excludes: open biopsy of lung (33.28) Index entries containing 33.25: Biopsy bronchus NEC 33.24 open 33.25