ICD-10-CM > S00-T88 > S20-S29 > S20 > S20.1 > S20.10 > S20.109 S20.109 Unspecified superficial injuries of breast, unspecified breast Non-Billable/Non-Specific Codes S20.109A..., initial encounterS20.109D..., subsequent encounterS20.109S..., sequela