BENIGN NEOPLASMS (210-229)
212 Benign neoplasm of respiratory and intrathoracic organs
212.0: Nasal cavities, middle ear, and accessory sinuses
Cartilage of nose
Eustachian tube
Nares
Septum of nose
Sinus:
ethmoidal
frontal
maxillary
sphenoidal
Excludes:
auditory canal (external) (216.2)
bone of:
ear (213.0)
nose [turbinates] (213.0)
cartilage of ear (215.0)
ear (external) (skin) (216.2)
nose NOS (229.8)
skin (216.3)
olfactory bulb (225.1)
polyp of:
accessory sinus (471.8)
ear (385.30-385.35)
nasal cavity (471.0)
posterior margin of septum and choanae (210.7)
212.1: Larynx
Cartilage:
arytenoid
cricoid
cuneiform
thyroid
Epiglottis (suprahyoid portion) NOS
Glottis
Vocal cords (false) (true)
Excludes:
epiglottis, anterior aspect (210.6)
polyp of vocal cord or larynx (478.4)
212.2: Trachea
212.3: Bronchus and lung
Carina
Hilus of lung
Excludes:
benign carcinoid tumors of bronchus and lung (209.61)
212.4: Pleura
212.5: Mediastinum
212.6: Thymus
Excludes:
benign carcinoid tumors of thymus (209.62)
212.7: Heart
Excludes:
great vessels (215.4)
212.8: Other specified sites
212.9: Site unspecified
Respiratory organ NOS
Upper respiratory tract NOS
Excludes:
intrathoracic NOS (229.8)
thoracic NOS (229.8)

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