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2009 ICD-9-CM
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31.4 Diagnostic procedures on larynx and trachea |
31.41 Tracheoscopy through artificial stoma
Excludes: that with biopsy (31.43-31.44) |
31.42 Laryngoscopy and other tracheoscopy
Excludes: that with biopsy (31.43-31.44) |
31.43 Closed [endoscopic] biopsy of larynx |
31.44 Closed [endoscopic] biopsy of trachea |
31.45 Open biopsy of larynx or trachea |
31.48 Other diagnostic procedures on larynx
Excludes: contrast laryngogram (87.07)
microscopic examination of specimen from larynx (90.31-90.39)
soft tissue x-ray of larynx NEC (87.09) |
31.49 Other diagnostic procedures on trachea
Excludes: microscopic examination of specimen from trachea (90.41-90.49)
x-ray of trachea (87.49) |