Chapter X
Diseases of the respiratory system
(J00-J99)

Acute upper respiratory infections
(J00-J06)

Excludes: chronic obstructive pulmonary disease with acute exacerbation NOS ( J44.1 )

J00 Acute nasopharyngitis [common cold]
Coryza (acute)
Nasal catarrh, acute
Nasopharyngitis:
· NOS
· infective NOS
Rhinitis:
· acute
· infective
Excludes: nasopharyngitis, chronic ( J31.1 )
pharyngitis:
· NOS ( J02.9 )
· acute ( J02.- )
· chronic ( J31.2 )
rhinitis:
· NOS ( J31.0 )
· allergic ( J30.1-J30.4 )
· chronic ( J31.0 )
· vasomotor ( J30.0 )
sore throat:
· NOS ( J02.9 )
· acute ( J02.- )
· chronic ( J31.2 )

J01 Acute sinusitis
Includes: abscess
empyema
infection
inflammation
suppuration
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acute, of sinus (accessory)(nasal)
Use additional code (B95-B97), if desired, to identify infectious agent.
Excludes: sinusitis, chronic or NOS ( J32.- )
J01.0 Acute maxillary sinusitis
Acute antritis
J01.1 Acute frontal sinusitis
J01.2 Acute ethmoidal sinusitis
J01.3 Acute sphenoidal sinusitis
J01.4 Acute pansinusitis
J01.8 Other acute sinusitis
Acute sinusitis involving more than one sinus but not pansinusitis
J01.9 Acute sinusitis, unspecified

J02 Acute pharyngitis
Includes: acute sore throat
Excludes: abscess:
· peritonsillar ( J36 )
· pharyngeal ( J39.1 )
· retropharyngeal ( J39.0 )
acute laryngopharyngitis ( J06.0 )
chronic pharyngitis ( J31.2 )
J02.0 Streptococcal pharyngitis
Streptococcal sore throat
Excludes: scarlet fever ( A38 )
J02.8 Acute pharyngitis due to other specified organisms
Use additional code (B95-B97), if desired, to identify infectious agent.
Excludes: pharyngitis (due to):
· enteroviral vesicular ( B08.5 )
· herpesviral [herpes simplex] ( B00.2 )
· infectious mononucleosis ( B27.- )
· influenza virus:
  · identified ( J09 , J10.1 )
  · not identified ( J11.1 )
J02.9 Acute pharyngitis, unspecified
Pharyngitis (acute):
· NOS
· gangrenous
· infective NOS
· suppurative
· ulcerative
Sore throat (acute) NOS

J03 Acute tonsillitis
Excludes: peritonsillar abscess ( J36 )
sore throat:
· NOS ( J02.9 )
· acute ( J02.- )
· streptococcal ( J02.0 )
J03.0 Streptococcal tonsillitis
J03.8 Acute tonsillitis due to other specified organisms
Use additional code (B95-B97), if desired, to identify infectious agent.
Excludes: herpesviral [herpes simplex] pharyngotonsillitis ( B00.2 )
J03.9 Acute tonsillitis, unspecified
Tonsillitis (acute):
· NOS
· follicular
· gangrenous
· infective
· ulcerative

J04 Acute laryngitis and tracheitis
Use additional code (B95-B97), if desired, to identify infectious agent.
Excludes: acute obstructive laryngitis [croup] and epiglottitis ( J05.- )
laryngismus (stridulus) ( J38.5 )
J04.0 Acute laryngitis
Laryngitis (acute):
· NOS
· oedematous
· subglottic
· suppurative
· ulcerative
Excludes: chronic laryngitis ( J37.0 )
influenzal laryngitis, influenza virus:
· identified ( J09 , J10.1 )
· not identified ( J11.1 )
J04.1 Acute tracheitis
Tracheitis (acute):
· NOS
· catarrhal
Excludes: chronic tracheitis ( J42 )
J04.2 Acute laryngotracheitis
Laryngotracheitis NOS
Tracheitis (acute) with laryngitis (acute)
Excludes: chronic laryngotracheitis ( J37.1 )

J05 Acute obstructive laryngitis [croup] and epiglottitis
Use additional code (B95-B97), if desired, to identify infectious agent.
J05.0 Acute obstructive laryngitis [croup]
Obstructive laryngitis NOS
J05.1 Acute epiglottitis
Epiglottitis NOS

J06 Acute upper respiratory infections of multiple and unspecified sites
Excludes: acute respiratory infection NOS ( J22 )
influenza virus:
· identified ( J09 , J10.1 )
· not identified ( J11.1 )
J06.0 Acute laryngopharyngitis
J06.8 Other acute upper respiratory infections of multiple sites
J06.9 Acute upper respiratory infection, unspecified
Upper respiratory:
· disease, acute
· infection NOS