ICD-10-CM > S00-T88 > S20-S29 > S27 > S27.3 > S27.30 > S27.309 S27.309 Unspecified injury of lung, unspecified Non-Billable/Non-Specific Codes S27.309A..., initial encounterS27.309D..., subsequent encounterS27.309S..., sequela