J45.998 Other asthma

Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

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

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

• detergent asthma (J69.8)
• miner's asthma (J60)
• wheezing NOS (R06.2)
• wood asthma (J67.8)
• bronchitis due to chemicals, gases, fumes and vapors (J68.0)

Excludes2

Not part of this code, but both can be coded when both are documented.

• 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)
• cystic fibrosis (E84.-)

Use additional code

Add a second code for the following, when documented.

• 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)