20.79 Other incision, excision, and destruction of inner ear
Decompression of labyrinth
Drainage of inner ear
Fistulization:
endolymphatic sac
labyrinth
Incision of endolymphatic sac
Labyrinthectomy (transtympanic)
Opening of bony labyrinth
Perilymphatic tap
Excludes:
biopsy of inner ear (20.32)