ICD-10-CM > S00-T88 > T66-T78 > T71 > T71.1 > T71.14 > T71.143 T71.143 Asphyxiation due to smothering under another person's body (in bed), assault Non-Billable/Non-Specific Codes T71.143A..., initial encounterT71.143D..., subsequent encounterT71.143S..., sequela