ICD-10-CM > J00-J99 > J40-J4A > J45 > J45.9 J45.9 Other and unspecified asthma Non-Billable/Non-Specific Codes J45.90Unspecified asthmaJ45.901Unspecified asthma with (acute) exacerbationJ45.902Unspecified asthma with status asthmaticusJ45.909Unspecified asthma, uncomplicatedJ45.99Other asthmaJ45.990Exercise induced bronchospasmJ45.991Cough variant asthmaJ45.998Other asthma