ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.9 > T17.91 T17.91 Gastric contents in respiratory tract, part unspecified Non-Billable/Non-Specific Applicable To Aspiration of gastric contents into respiratory tract, part unspecifiedVomitus in trachea respiratory tract, part unspecified Codes T17.910Gastric contents in respiratory tract, part unspecified causing asphyxiationT17.910A..., initial encounterT17.910D..., subsequent encounterT17.910S..., sequelaT17.918Gastric contents in respiratory tract, part unspecified causing other injuryT17.918A..., initial encounterT17.918D..., subsequent encounterT17.918S..., sequela