S21.1 - Open wound of front wall of thorax without penetration into thoracic cavity
S21.13 - Puncture wound without foreign body of front wall of thorax without penetration into thoracic cavity
S21.131 - Puncture wound without foreign body of right front wall of thorax without penetration into thoracic cavity
S21.132 - Puncture wound without foreign body of left front wall of thorax without penetration into thoracic cavity
S21.139 - Puncture wound without foreign body of unspecified front wall of thorax without penetration into thoracic cavity