S20.3 - Other and unspecified superficial injuries of front wall of thorax
S20.37 - Other superficial bite of front wall of thorax
Excludes 1:
-open bite of front wall of thorax S21.14)
S20.371 - Other superficial bite of right front wall of thorax
S20.372 - Other superficial bite of left front wall of thorax
S20.379 - Other superficial bite of unspecified front wall of thorax