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J45 - Asthma


The ICD 10 Code for Asthma is listed as J45.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: J45
Description: 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 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)
  • Excludes1: 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)
  • Excludes2: asthma with chronic obstructive pulmonary disease (J44.9)
  • chronic asthmatic (obstructive) bronchitis (J44.9)
  • chronic obstructive asthma (J44.9)
Chapter Diseases of the respiratory system (J00-J99)
ICD-10-CM Children (deeper level / typically more specific) of J45:
J45.2 - Mild intermittent asthma
J45.3 - Mild persistent asthma
J45.4 - Moderate persistent asthma
J45.5 - Severe persistent asthma
J45.9 - Other and unspecified asthma