2007 ICD-9-CM Procedure 07.81 Partial excision of thymus 07.81 is a specific code that can be used to specify a procedure 07.81 contains 2 index entries View the full Volume 3 07.* hierarchy 07.81 excludes: biopsy of thymus (07.16) Index entries containing 07.81: Excision lesion (local) thymus 07.81 Thymectomy 07.80 partial 07.81