2007 ICD-9-CM Procedure 07.99 Other thymus procedure 07.99 is a specific code that can be used to specify a procedure 07.99 contains 2 index entries View the full Volume 3 07.* hierarchy 07.99 also known as: Thymopexy Index entries containing 07.99: Operation thymus NEC 07.99 Thymopexy 07.99