2007 ICD-9-CM Procedure 29.2 Excision of branchial cleft cyst or vestige 29.2 is a specific code that can be used to specify a procedure 29.2 contains 1 index entry View the full Volume 3 29.* hierarchy 29.2 excludes: branchial cleft fistulectomy (29.52) Index entries containing 29.2: Excision branchial cleft cyst or vestige 29.2