2007 ICD-9-CM Procedure 20.61 Fenestration of inner ear (initial) 20.61 is a specific code that can be used to specify a procedure 20.61 contains 7 index entries View the full Volume 3 20.* hierarchy 20.61 also known as: Fenestration of: labyrinth with graft (skin) (vein) semicircular canals with graft (skin) (vein) vestibule with graft (skin) (vein) 20.61 excludes: that with tympanoplasty, type V (19.55) Index entries containing 20.61: Arslan operation (fenestration of inner ear) 20.61 Fenestration ear inner (with graft) 20.61 revision 20.62 labyrinth (with graft) 20.61 semicircular canals (with graft) 20.61 vestibule (with graft) 20.61 Graft, grafting external auditory meatus 18.6 inner 20.61 Operation Arslan (fenestration of inner ear) 20.61