ICD-10 codes Description J45.20 Mild intermittent asthma, uncomplicated J45.21 Mild intermittent asthma with (acute) exacerbation J45.22 Mild intermittent asthma with status asthmaticus J45.30 Mild persistent asthma, uncomplicated J45.31 Mild persistent asthma with (acute) exacerbation J45.32 Mild persistent asthma with status asthmaticus J45.40 Moderate persistent asthma, uncomplicated J45.41 Moderate persistent asthma with (acute) exacerbation J45.42 Moderate persistent asthma with status asthmaticus J45.50 Severe persistent asthma, uncomplicated J45.51 Severe persistent asthma with (acute) exacerbation J45.52 Severe persistent asthma with status asthmaticus J45.901 Unspecified asthma with (acute) exacerbation J45.902 Unspecified asthma with status asthmaticus J45.909 Unspecified asthma, uncomplicated J45.990 Exercise induced bronchospasm J45.991 Cough variant asthma J45.998 Other asthma