ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.2 > T17.21 > T17.210 T17.210 Gastric contents in pharynx causing asphyxiation Non-Billable/Non-Specific Codes T17.210A..., initial encounterT17.210D..., subsequent encounterT17.210S..., sequela