ICD-10-CM > S00-T88 > S20-S29 > S27 > S27.3 > S27.32 S27.32 Contusion of lung Non-Billable/Non-Specific Codes S27.321Contusion of lung, unilateralS27.321A..., initial encounterS27.321D..., subsequent encounterS27.321S..., sequelaS27.322Contusion of lung, bilateralS27.322A..., initial encounterS27.322D..., subsequent encounterS27.322S..., sequelaS27.329Contusion of lung, unspecifiedS27.329A..., initial encounterS27.329D..., subsequent encounterS27.329S..., sequela