ICD-10-CM > S00-T88 > S20-S29 > S27 > S27.4 > S27.42 S27.42 Contusion of bronchus Non-Billable/Non-Specific Codes S27.421Contusion of bronchus, unilateralS27.421A..., initial encounterS27.421D..., subsequent encounterS27.421S..., sequelaS27.422Contusion of bronchus, bilateralS27.422A..., initial encounterS27.422D..., subsequent encounterS27.422S..., sequelaS27.429Contusion of bronchus, unspecifiedS27.429A..., initial encounterS27.429D..., subsequent encounterS27.429S..., sequela