ICD-10-CM > S00-T88 > S20-S29 > S27 > S27.3 > S27.30 > S27.301 S27.301 Unspecified injury of lung, unilateral Non-Billable/Non-Specific Codes S27.301A..., initial encounterS27.301D..., subsequent encounterS27.301S..., sequela