ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.4 > T17.41 > T17.418 T17.418 Gastric contents in trachea causing other injury Non-Billable/Non-Specific Codes T17.418A..., initial encounterT17.418D..., subsequent encounterT17.418S..., sequela