T23.01 - Burn of unspecified degree of thumb (nail) T23.0 - Burn of unspecified degree of wrist and hand T23.01 - Burn of unspecified degree of thumb (nail) T23.011 - Burn of unspecified degree of right thumb (nail) T23.012 - Burn of unspecified degree of left thumb (nail) T23.019 - Burn of unspecified degree of unspecified thumb (nail)