ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.4 > T17.42 > T17.420 T17.420 Food in trachea causing asphyxiation Non-Billable/Non-Specific Codes T17.420A..., initial encounterT17.420D..., subsequent encounterT17.420S..., sequela