ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.1 > T23.10 > T23.109 T23.109 Burn of first degree of unspecified hand, unspecified site Non-Billable/Non-Specific Codes T23.109A..., initial encounterT23.109D..., subsequent encounterT23.109S..., sequela