ICD-10-CM > S00-T88 > S20-S29 > S21 > S21.0 > S21.01 S21.01 Laceration without foreign body of breast Non-Billable/Non-Specific Codes S21.011Laceration without foreign body of right breastS21.011A..., initial encounterS21.011D..., subsequent encounterS21.011S..., sequelaS21.012Laceration without foreign body of left breastS21.012A..., initial encounterS21.012D..., subsequent encounterS21.012S..., sequelaS21.019Laceration without foreign body of unspecified breastS21.019A..., initial encounterS21.019D..., subsequent encounterS21.019S..., sequela