S20.0 Contusion of breastNon-billable header with 3 child codes.
S20.00 Contusion of breast, unspecified breastS20.01 Contusion of right breastS20.02 Contusion of left breastS20 Superficial injury of thoraxS20.0 Contusion of breast (this code)S20.00 Contusion of breast, unspecified breastS20.00XA Contusion of breast, unspecified breast, initial encounterS20.00XD Contusion of breast, unspecified breast, subsequent encounterS20.00XS Contusion of breast, unspecified breast, sequelaS20.01 Contusion of right breast