ICD-10-CM > S00-T88 > T15-T19 > T18 > T18.1 > T18.11 T18.11 Gastric contents in esophagus Non-Billable/Non-Specific Applicable To Vomitus in esophagus Codes T18.110Gastric contents in esophagus causing compression of tracheaT18.110A..., initial encounterT18.110D..., subsequent encounterT18.110S..., sequelaT18.118Gastric contents in esophagus causing other injuryT18.118A..., initial encounterT18.118D..., subsequent encounterT18.118S..., sequela