2007 ICD-9-CM Procedure 33.7 Endoscopic insertion, replacement and removal of therapeutic device or substances in bronchus or lung 33.7 is a non-specific code that should not be used to specify a procedure 33.7 contains 4 index entries View the full Volume 3 33.* hierarchy Index entries containing 33.7: Excision lung (complete) (with mediastinal dissection) 32.5 volume reduction surgery 32.22 biologic lung volume reduction (BLVR) - see category 33.7 Operation lung volume reduction 3 2.22 biologic lung volume reduction (BLVR) - see category 33.7 Reduction - see also Excision, by site lung volume 32.22 biologic lung volume reduction (BLVR) - see category 33.7 Resection -- see also Excision, by site lung (wedge) NEC 32.29 volume reduction 32.22 biologic lung volume reduction (BLVR) - see category 33.7