2007 ICD-9-CM Procedure 06.31 Excision of lesion of thyroid 06.31 is a specific code that can be used to specify a procedure 06.31 contains 1 index entry View the full Volume 3 06.* hierarchy 06.31 excludes: biopsy of thyroid (06.11-06.12) Index entries containing 06.31: Excision lesion (local) thyroid 06.31 substernal or transsternal route 06.51