• chronic obstructive pulmonary disease with acute lower respiratory infection (J44.0)
  1. J20 Acute bronchitis


    • acute and subacute bronchitis (with) bronchospasm
    • acute and subacute bronchitis (with) tracheitis
    • acute and subacute bronchitis (with) tracheobronchitis, acute
    • acute and subacute fibrinous bronchitis
    • acute and subacute membranous bronchitis
    • acute and subacute purulent bronchitis
    • acute and subacute septic bronchitis


    • bronchitis NOS (J40)
    • tracheobronchitis NOS (J40)


    • acute bronchitis with bronchiectasis (J47.0)
    • acute bronchitis with chronic obstructive asthma (J44.0)
    • acute bronchitis with chronic obstructive pulmonary disease (J44.0)
    • allergic bronchitis NOS (J45.909-)
    • bronchitis due to chemicals, fumes and vapors (J68.0)
    • chronic bronchitis NOS (J42)
    • chronic mucopurulent bronchitis (J41.1)
    • chronic obstructive bronchitis (J44.-)
    • chronic obstructive tracheobronchitis (J44.-)
    • chronic simple bronchitis (J41.0)
    • chronic tracheobronchitis (J42)
    1. J20.0 Acute bronchitis due to Mycoplasma pneumoniae

    2. J20.1 Acute bronchitis due to Hemophilus influenzae

    3. J20.2 Acute bronchitis due to streptococcus

    4. J20.3 Acute bronchitis due to coxsackievirus

    5. J20.4 Acute bronchitis due to parainfluenza virus

    6. J20.5 Acute bronchitis due to respiratory syncytial virus

      Inclusion term(s):

      • Acute bronchitis due to RSV
    7. J20.6 Acute bronchitis due to rhinovirus

    8. J20.7 Acute bronchitis due to echovirus

    9. J20.8 Acute bronchitis due to other specified organisms

    10. J20.9 Acute bronchitis, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.