2007 ICD-9-CM Procedure 20.1 Removal of tympanostomy tube 20.1 is a specific code that can be used to specify a procedure 20.1 contains 8 index entries View the full Volume 3 20.* hierarchy Index entries containing 20.1: Removal -- see also Excision catheter (indwelling) -- see also Removal, tube middle ear (tympanum) 20.1 implant tympanum 20.1 myringotomy device or tube 20.1 Shepard's tube (ear) 20.1 silastic tubes ear 20.1 tube ear (button) 20.1 tympanostomy 20.1 tympanum 20.1