ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.4 > T17.40 T17.40 Unspecified foreign body in trachea Non-Billable/Non-Specific Codes T17.400Unspecified foreign body in trachea causing asphyxiationT17.400A..., initial encounterT17.400D..., subsequent encounterT17.400S..., sequelaT17.408Unspecified foreign body in trachea causing other injuryT17.408A..., initial encounterT17.408D..., subsequent encounterT17.408S..., sequela