ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.2 > T17.21 > T17.218 T17.218 Gastric contents in pharynx causing other injury Non-Billable/Non-Specific Codes T17.218A..., initial encounterT17.218D..., subsequent encounterT17.218S..., sequela