2007 ICD-9-CM Procedure 33.99 Other operations on lung 33.99 is a specific code that can be used to specify a procedure 33.99 contains 5 index entries View the full Volume 3 33.* hierarchy 33.99 also known as: Whole lung lavage 33.99 excludes: other continuous mechanical ventilation (96.70-96.72) respiratory therapy (93.90-93.99) Index entries containing 33.99: Lavage lung (total)(whole) 33.99 diagnostic (endoscopic) bronchoalveolar lavage (BAL) 33.24 Lysis adhesions chest wall 33.99 Operation lung NEC 33.99 pulmonary NEC 33.99 respiratory (tract) NEC 33.99