ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.2 > T23.27 > T23.279 T23.279 Burn of second degree of unspecified wrist Non-Billable/Non-Specific Codes T23.279A..., initial encounterT23.279D..., subsequent encounterT23.279S..., sequela