S20.44

External constriction of right back wall of thorax

External constriction of left back wall of thorax

External constriction of unspecified back wall of thorax

Unspecified superficial injuries of back wall of thorax

Abrasion of back wall of thorax

Blister (nonthermal) of back wall of thorax

Superficial foreign body of back wall of thorax

Insect bite (nonvenomous) of back wall of thorax

Other superficial bite of back wall of thorax