Excludes1

  • bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Excludes2

  • cystic fibrosis (E84.-)
  1. J45 Asthma

    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 dependence (Z87.891)
    occupational exposure to environmental tobacco smoke (Z57.31)
    tobacco dependence (F17.-)
    tobacco use (Z72.0)

    Includes:

    • allergic (predominantly) asthma
    • allergic bronchitis NOS
    • allergic rhinitis with asthma
    • atopic asthma
    • extrinsic allergic asthma
    • hay fever with asthma
    • idiosyncratic asthma
    • intrinsic nonallergic asthma
    • nonallergic asthma

    Excludes1

    • detergent asthma (J69.8)
    • eosinophilic asthma (J82)
    • miner's asthma (J60)
    • wheezing NOS (R06.2)
    • wood asthma (J67.8)

    Excludes2

    • asthma with chronic obstructive pulmonary disease (J44.9)
    • chronic asthmatic (obstructive) bronchitis (J44.9)
    • chronic obstructive asthma (J44.9)
    1. J45.2 Mild intermittent asthma

      1. J45.20 Mild intermittent asthma, uncomplicated

        Inclusion term(s):

        • Mild intermittent asthma NOS
      2. J45.21 Mild intermittent asthma with (acute) exacerbation

      3. J45.22 Mild intermittent asthma with status asthmaticus

    2. J45.3 Mild persistent asthma

      1. J45.30 Mild persistent asthma, uncomplicated

        Inclusion term(s):

        • Mild persistent asthma NOS
      2. J45.31 Mild persistent asthma with (acute) exacerbation

      3. J45.32 Mild persistent asthma with status asthmaticus

    3. J45.4 Moderate persistent asthma

      1. J45.40 Moderate persistent asthma, uncomplicated

        Inclusion term(s):

        • Moderate persistent asthma NOS
      2. J45.41 Moderate persistent asthma with (acute) exacerbation

      3. J45.42 Moderate persistent asthma with status asthmaticus

    4. J45.5 Severe persistent asthma

      1. J45.50 Severe persistent asthma, uncomplicated

        Inclusion term(s):

        • Severe persistent asthma NOS
      2. J45.51 Severe persistent asthma with (acute) exacerbation

      3. J45.52 Severe persistent asthma with status asthmaticus

    5. J45.9 Other and unspecified asthma

      1. J45.90 Unspecified asthma

        Inclusion term(s):

        • Asthmatic bronchitis NOS
        • Childhood asthma NOS
        • Late onset asthma
      2. J45.99 Other asthma

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.