ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.4 > T17.40 > T17.400 T17.400 Unspecified foreign body in trachea causing asphyxiation Non-Billable/Non-Specific Codes T17.400A..., initial encounterT17.400D..., subsequent encounterT17.400S..., sequela