ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.1 > T23.17 > T23.179 T23.179 Burn of first degree of unspecified wrist Non-Billable/Non-Specific Codes T23.179A..., initial encounterT23.179D..., subsequent encounterT23.179S..., sequela