2007 ICD-9-CM Procedure 21.29 Other diagnostic procedures on nose 21.29 is a specific code that can be used to specify a procedure 21.29 contains 1 index entry View the full Volume 3 21.* hierarchy 21.29 excludes: microscopic examination of specimen from nose (90.31-90.39) nasal: function study (89.12) x-ray (87.16) rhinomanometry (89.12) Index entries containing 21.29: Procedure -- see also specific procedure diagnostic NEC nose, nasal 21.29 sinus 22.19