ICD-10-CM 2027
ICD-10 code for exercise induced bronchospasm
From the official ICD-10-CM alphabetic index entry “Bronchospasm (acute) › exercise induced”. Page updated September 29, 2026.
About coding exercise induced bronchospasm
The ICD-10-CM code for exercise induced bronchospasm is J45.990 (Exercise induced bronchospasm).
Within J45.99 (other asthma), J45.990 is specifically for exercise induced bronchospasm. Related codes cover cough variant asthma (J45.991) and other asthma (J45.998).
Use an additional 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) and 2 more.
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
Common questions about exercise induced bronchospasm ICD-10 codes
What is the ICD-10 code for exercise induced bronchospasm?
- J45.990 — Exercise induced bronchospasm.
Is J45.990 billable?
- Yes. J45.990 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can J45.990 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict J45.990 as a principal diagnosis.
Is J45.990 a CC or MCC?
- No. J45.990 is neither a CC nor an MCC under MS-DRG v44.0.