2025
ICD-10-CM
Diagnosis
Code

J45 Asthma

  • Non-billable
  • 2016–2025

J45 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Asthma.

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

Use additional code

  • Code to identify:

    • Eosinophilic asthma (J82.83)

    • 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)

Type 1 excludes

Type 2 excludes

  • Asthma with chronic obstructive pulmonary disease (J44.89)

  • Chronic asthmatic (obstructive) bronchitis (J44.89)

  • Chronic obstructive asthma (J44.89)

  • Other specified chronic obstructive pulmonary disease (J44.89)

Codes

Versions

  1. 2025

    Code changed

    • Type 2 excludes

        • asthma with chronic obstructive pulmonary disease (J44.9)
        • chronic asthmatic (obstructive) bronchitis (J44.9)
        • chronic obstructive asthma (J44.9)
        • asthma with chronic obstructive pulmonary disease (J44.89)
        • chronic asthmatic (obstructive) bronchitis (J44.89)
        • chronic obstructive asthma (J44.89)
        • other specified chronic obstructive pulmonary disease (J44.89)

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    Code changed

    • Type 1 excludes

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

  5. 2021

    Code changed

    • Use additional code

        • 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)
        • code to identify:
        • eosinophilic asthma (J82.83)
        • 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)

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    Code changed

    • Type 1 excludes

        • detergent asthma (J69.8)
        • eosinophilic asthma (J82)
        • lung diseases due to external agents (J60-J70)
        • miner's asthma (J60)
        • wheezing NOS (R06.2)
        • wood asthma (J67.8)
        • detergent asthma (J69.8)
        • eosinophilic asthma (J82)
        • miner's asthma (J60)
        • wheezing NOS (R06.2)
        • wood asthma (J67.8)

  9. 2017

    Code changed

    • Use additional code

        • 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)
        • 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)

  10. 2016

    New code