ICD-10-CM > J00-J99 > J40-J4A > J45 > J45.4 J45.4 Moderate persistent asthma Non-Billable/Non-Specific Codes J45.40Moderate persistent asthma, uncomplicatedJ45.41Moderate persistent asthma with (acute) exacerbationJ45.42Moderate persistent asthma with status asthmaticus