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 0 Retropharyngeal and parapharyngeal abscess
 * Peripharyngeal abscess
 * Excludes1: peritonsillar abscess (J36)
 * J39.1 Other abscess of pharynx
 * Cellulitis of pharynx
 * Nasopharyngeal abscess
 * J39.2 Other diseases of pharynx
 * Cyst of pharynx
 * Edema of pharynx
 * Excludes2: chronic pharyngitis (J31.2)
 * ulcerative pharyngitis (J02.9)
 * J39.3 Upper respiratory tract hypersensitivity reaction, site unspecified
 * Excludes1: hypersensitivity reaction of upper respiratory tract, such as:
 * extrinsic allergic alveolitis (J67.9)
 * pneumoconiosis (J60-J67.9)
 * J39.8 Other specified diseases of upper respiratory tract
 * J39.9 Disease of upper respiratory tract, unspecified

=Chronic lower respiratory diseases (J40-J47)=
 * Excludes1: bronchitis due to chemicals, gases, fumes and vapors (J68.0)
 * Excludes2: cystic fibrosis (E84.-)

J40 Bronchitis, not specified as acute or chronic

 * Includes: bronchitis NOS
 * catarrhal bronchitis
 * bronchitis with tracheitis NOS
 * tracheobronchitis NOS
 * Use additional code to identify:
 * exposure to environmental tobacco smoke (Z77.22)
 * exposure to tobacco smoke in the perinatal period (P96.81)
 * history of tobacco use (Z87.891)
 * occupational exposure to environmental tobacco smoke (Z57.31)
 * tobacco dependence (F17.-)
 * tobacco use (Z72.0)
 * Excludes1: allergic bronchitis NOS (J45.909-)
 * asthmatic bronchitis NOS (J45.9-)
 * bronchitis due to chemicals, gases, fumes and vapors (J68.0)

J41 Simple and mucopurulent chronic bronchitis

 * Use additional code to identify:
 * exposure to environmental tobacco smoke (Z77.22)
 * exposure to tobacco smoke in the perinatal period (P96.81)
 * history of tobacco use (Z87.891)
 * occupational exposure to environmental tobacco smoke (Z57.31)
 * tobacco dependence (F17.-)
 * tobacco