2007 ICD-9-CM Procedure 31.75 Reconstruction of trachea and cal collapse of lung 31.75 is a specific code that can be used to specify a procedure 31.75 contains 9 index entries View the full Volume 3 31.* hierarchy 31.75 also known as: Tracheoplasty with artificial larynx Index entries containing 31.75: Asai operation (larynx) 31.75 Construction larynx, artificial 31.75 pharyngeal valve, artificial 31.75 Insertion larynx, valved tube 31.75 pharyngeal valve, artificial 31.75 valve pharyngeal (artificial) 31.75 Operation Asai (larynx) 31.75 Reconstruction (plastic) -- see also Construction and Repair, by site trachea (with graft) 31.75 Tracheoplasty 31.79 with artificial larynx 31.75