2007 ICD-9-CM Procedure 22.71 Closure of nasal sinus fist 22.71 is a specific code that can be used to specify a procedure 22.71 contains 8 index entries View the full Volume 3 22.* hierarchy 22.71 also known as: Repair of oro-antral fistula Index entries containing 22.71: Closure -- see also Repair fistula antrobuccal 22.71 nasal 21.82 sinus 22.71 oroantral 22.71 Fistulectomy -- see also Closure, fistula, by site nasal 21.82 sinus 22.71 oroantral 22.71 Repair fistula -- see also Closure, fistula oroantral 22.71 sinus nasal 22.71 nasal sinus NEC 22.79 fistula 22.71