T23.1 - Burn of first degree of wrist and hand
T23.13 - Burn of first degree of multiple fingers (nail), not including thumb
T23.131 - Burn of first degree of multiple right fingers (nail), not including thumb
T23.132 - Burn of first degree of multiple left fingers (nail), not including thumb
T23.139 - Burn of first degree of unspecified multiple fingers (nail), not including thumb