2007 ICD-9-CM Procedure 21.1 Incision of nose 21.1 is a specific code that can be used to specify a procedure 21.1 contains 8 index entries View the full Volume 3 21.* hierarchy 21.1 also known as: Chondrotomy Incision of skin of nose Nasal septotomy Index entries containing 21.1: Chondrotomy -- see also Division, cartilage 80.40 nasal 21.1 Conchotomy 21.1 Exploration -- see also Incision nose 21.1 Incision (and drainage) nose 21.1 skin 86.09 nose 21.1 Removal -- see also Excision foreign body NEC -- see also Incision, by site 98.20 nose (intraluminal) 98.12 by incision 21.1 Rhinotomy 21.1 Septotomy, nasal 21.1