S21.0Non-Billable (Header)Open wound of breastChild CodesS21.00Unspecified open wound of breastS21.01Laceration without foreign body of breastS21.02Laceration with foreign body of breastS21.03Puncture wound without foreign body of breastS21.04Puncture wound with foreign body of breastS21.05Open bite of breastCode Hierarchy└S21Open wound of thorax└S21.0Open wound of breast└S21.0Open wound of breast