ICD-10-CM > S00-T88 > S20-S29 > S27 > S27.4 > S27.40 S27.40 Unspecified injury of bronchus Non-Billable/Non-Specific Codes S27.401Unspecified injury of bronchus, unilateralS27.401A..., initial encounterS27.401D..., subsequent encounterS27.401S..., sequelaS27.402Unspecified injury of bronchus, bilateralS27.402A..., initial encounterS27.402D..., subsequent encounterS27.402S..., sequelaS27.409Unspecified injury of bronchus, unspecifiedS27.409A..., initial encounterS27.409D..., subsequent encounterS27.409S..., sequela