ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.3 > S20.31 > S20.311 S20.311 Abrasion of right front wall of thorax Non-Billable/Non-Specific Codes S20.311A..., initial encounterS20.311D..., subsequent encounterS20.311S..., sequela