ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.3 > T23.37 > T23.379 T23.379 Burn of third degree of unspecified wrist Non-Billable/Non-Specific Codes T23.379A..., initial encounterT23.379D..., subsequent encounterT23.379S..., sequela