T23.22 - Burn of second degree of single finger (nail) except thumb T23.2 - Burn of second degree of wrist and hand T23.22 - Burn of second degree of single finger (nail) except thumb T23.221 - Burn of second degree of single right finger (nail) except thumb T23.222 - Burn of second degree of single left finger (nail) except thumb T23.229 - Burn of second degree of unspecified single finger (nail) except thumb