2007 ICD-9-CM Procedure 22.41 Frontal sinusotomy 22.41 is a specific code that can be used to specify a procedure 22.41 contains 7 index entries View the full Volume 3 22.* hierarchy Index entries containing 22.41: Exploration -- see also Incision frontal sinus 22.41 sinus frontal 22.41 Killian operation (frontal sinusotomy) 22.41 Operation Killian (frontal sinusotomy) 22.41 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 nasal sinus 22.50 frontal 22.41 sinus (nasal) 22.50 frontal 22.41 Sinusotomy (nasal) 22.50 frontal 22.41