During an art project, using acid to etch metal, some acid splashed on the back of her left hand. The burn was severe and she went to the ED where the damage was assessed at third-degree. Report this with:

a) T23.061A Burn of unspecified degree of back of right hand, initial encounter
b) T23.761A Corrosion of third degree of back of right hand, initial encounter
c) T23.762A Corrosion of third degree of back of left hand, initial encounter
d) T23.362A Burn of third degree of back of left hand, initial encounter