2007 ICD-9-CM Procedure 21.82 Closure of nasal fistula 21.82 is a specific code that can be used to specify a procedure 21.82 contains 8 index entries View the full Volume 3 21.* hierarchy 21.82 also known as: Nasolabial fistulectomy Nasopharyngeal fistulectomy Oronasal fistulectomy Index entries containing 21.82: Closure -- see also Repair fistula nasal 21.82 sinus 22.71 nasolabial 21.82 nasopharyngeal 21.82 oronasal 21.82 Fistulectomy -- see also Closure, fistula, by site nasal 21.82 sinus 22.71 nasolabial 21.82 nasopharyngeal 21.82 oronasal 21.82