ICD-10-CM > S00-T88 > T66-T78 > T71 > T71.1 > T71.19 > T71.191 T71.191 Asphyxiation due to mechanical threat to breathing due to other causes, accidental Non-Billable/Non-Specific Applicable To Asphyxiation due to other causes NOS Codes T71.191A..., initial encounterT71.191D..., subsequent encounterT71.191S..., sequela