S20.2 Contusion of thoraxNon-billable header with 3 child codes.
S20.20 Contusion of thorax, unspecifiedS20.21 Contusion of front wall of thoraxS20.22 Contusion of back wall of thoraxS20.172S Other superficial bite of breast, left breast, sequelaS20.179 Other superficial bite of breast, unspecified breastS20.179A Other superficial bite of breast, unspecified breast, initial encounterS20.179D Other superficial bite of breast, unspecified breast, subsequent encounterS20.179S Other superficial bite of breast, unspecified breast, sequelaS20.2 Contusion of thorax (this code)S20.20 Contusion of thorax, unspecifiedS20.20XA Contusion of thorax, unspecified, initial encounterS20.20XD Contusion of thorax, unspecified, subsequent encounterS20.20XS Contusion of thorax, unspecified, sequelaS20.21 Contusion of front wall of thorax