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2009 ICD-9-CM
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20.3 Diagnostic procedures on middle and inner ear |
20.31 Electrocochleography |
20.32 Biopsy of middle and inner ear |
20.39 Other diagnostic procedures on middle and inner ear
Excludes: auditory and vestibular function tests (89.13, 95.41-95.49)
microscopic examination of specimen from ear (90.31-90.39) |