ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.3 > S20.37 > S20.373 S20.373 Other superficial bite of bilateral front wall of thorax Non-Billable/Non-Specific Codes S20.373A..., initial encounterS20.373D..., subsequent encounterS20.373S..., sequela