ICD-10-CM > S00-T88 > T15-T19 > T18 > T18.1 > T18.11 > T18.118 T18.118 Gastric contents in esophagus causing other injury Non-Billable/Non-Specific Codes T18.118A..., initial encounterT18.118D..., subsequent encounterT18.118S..., sequela