CARCINOMA IN SITU (230-234)
Includes:
Bowen's disease
erythroplasia
Queyrat's erythroplasia
Excludes:
leukoplakia - see Alphabetic Index
231 Carcinoma in situ of respiratory system
231.0: Larynx
Cartilage:
arytenoid
cricoid
cuneiform
thyroid
Epiglottis:
NOS
posterior surface
suprahyoid portion
Vocal cords (false) (true)
Excludes:
aryepiglottic fold or interarytenoid fold:
NOS (230.0)
hypopharyngeal aspect (230.0)
marginal zone (230.0)
231.1: Trachea
231.2: Bronchus and lung
Carina
Hilus of lung
231.8: Other specified parts of respiratory system
Accessory sinuses
Middle ear
Nasal cavities
Pleura
Excludes:
ear (external) (skin) (232.2)
nose NOS (234.8)
skin (232.3)
231.9: Respiratory system, part unspecified
Respiratory organ NOS
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