2007 ICD-9-CM Procedure 29.12 Pharyngeal biopsy 29.12 is a specific code that can be used to specify a procedure 29.12 contains 3 index entries View the full Volume 3 29.* hierarchy 29.12 also known as: Biopsy of supraglottic mass Index entries containing 29.12: Biopsy nasopharynx 29.12 pharynx, pharyngeal 29.12 supraglottic mass 29.12