2007 ICD-9-CM Procedure 31.3 Other incision of larynx or trachea 31.3 is a specific code that can be used to specify a procedure 31.3 contains 11 index entries View the full Volume 3 31.* hierarchy 31.3 excludes: that for assistance in breathing (31.1-31.29) Index entries containing 31.3: Cordotomy vocal 31.3 Exploration -- see also Incision larynx (by incision) 31.3 endoscopic 31.42 trachea (by incision) 31.3 endoscopic -- see Tracheoscopy Incision (and drainage) larynx NEC 31.3 trachea NEC 31.3 Laryngocentesis 31.3 Laryngotomy 31.3 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 larynx (intraluminal) 98.14 by incision 31.3 trachea (intraluminal) 98.15 by incision 31.3 Thyrochondrotomy 31.3 Thyrotomy 31.3 with tantalum plate 31.69