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2009 ICD-9-CM
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20.5 Other excision of middle ear
Excludes: that with synchronous mastoidectomy (20.41-20.49) |
20.51 Excision of lesion of middle ear
Excludes: biopsy of middle ear (20.32) |
20.59 Other
Apicectomy of petrous pyramid
Tympanectomy |