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J45 Asthma
BackJ45.2Mild intermittent asthmaCategory3 →J45.20Mild intermittent asthma, uncomplicatedCategoryJ45.21Mild intermittent asthma with (acute) exacerbationCategoryJ45.22Mild intermittent asthma with status asthmaticusCategoryJ45.3Mild persistent asthmaCategory3 →J45.30Mild persistent asthma, uncomplicatedCategoryJ45.31Mild persistent asthma with (acute) exacerbationCategoryJ45.32Mild persistent asthma with status asthmaticusCategoryJ45.4Moderate persistent asthmaCategory3 →J45.40Moderate persistent asthma, uncomplicatedCategoryJ45.41Moderate persistent asthma with (acute) exacerbationCategoryJ45.42Moderate persistent asthma with status asthmaticusCategoryJ45.5Severe persistent asthmaCategory3 →J45.50Severe persistent asthma, uncomplicatedCategoryJ45.51Severe persistent asthma with (acute) exacerbationCategoryJ45.52Severe persistent asthma with status asthmaticusCategoryJ45.9Other and unspecified asthmaCategory2 →J45.90Unspecified asthmaCategory3 →J45.901Unspecified asthma with (acute) exacerbationCategoryJ45.902Unspecified asthma with status asthmaticusCategoryJ45.909Unspecified asthma, uncomplicatedCategoryJ45.99Other asthmaCategory3 →J45.990Exercise induced bronchospasmCategoryJ45.991Cough variant asthmaCategoryJ45.998Other asthmaCategory
Category
J45
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
allergic bronchitis NOS
allergic rhinitis with asthma
atopic asthma
extrinsic allergic asthma
hay fever with asthma
idiosyncratic asthma
intrinsic nonallergic asthma
nonallergic asthma
EXCLUDES
Excludes1: detergent asthma (J69.8)
miner's asthma (J60)
wheezing NOS (R06.2)
wood asthma (J67.8)
Excludes2: 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)
miner's asthma (J60)
wheezing NOS (R06.2)
wood asthma (J67.8)
Excludes2: 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)
CODING RULE
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)
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)
- Chapter
- X · Diseases of the respiratory system
- Section
- J40-J4A
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.