S40.22 - Blister (nonthermal) of shoulder S40.2 - Other superficial injuries of shoulder S40.22 - Blister (nonthermal) of shoulder S40.221 - Blister (nonthermal) of right shoulder S40.222 - Blister (nonthermal) of left shoulder S40.229 - Blister (nonthermal) of unspecified shoulder