S27.32Non-Billable (Header)Contusion of lungChild CodesS27.321Contusion of lung, unilateralS27.322Contusion of lung, bilateralS27.329Contusion of lung, unspecifiedCode Hierarchy└S27Injury of other and unspecified intrathoracic organs└S27.3Other and unspecified injuries of lung└S27.32Contusion of lung└S27.32Contusion of lung