ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.2 > T23.29 > T23.299 T23.299 Burn of second degree of multiple sites of unspecified wrist and hand Non-Billable/Non-Specific Codes T23.299A..., initial encounterT23.299D..., subsequent encounterT23.299S..., sequela