ICD-10-CM > S00-T88 > T15-T19 > T17 > T17.9 > T17.90 > T17.900 T17.900 Unspecified foreign body in respiratory tract, part unspecified causing asphyxiation Non-Billable/Non-Specific Codes T17.900A..., initial encounterT17.900D..., subsequent encounterT17.900S..., sequela