ICD-10-CM > S00-T88 > S20-S29 > S27 > S27.8 > S27.89 > S27.899 S27.899 Unspecified injury of other specified intrathoracic organs Non-Billable/Non-Specific Codes S27.899A..., initial encounterS27.899D..., subsequent encounterS27.899S..., sequela