ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.4 > S20.47 > S20.471 S20.471 Other superficial bite of right back wall of thorax Non-Billable/Non-Specific Codes S20.471A..., initial encounterS20.471D..., subsequent encounterS20.471S..., sequela