ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.2 > T23.20 > T23.209 T23.209 Burn of second degree of unspecified hand, unspecified site Non-Billable/Non-Specific Codes T23.209A..., initial encounterT23.209D..., subsequent encounterT23.209S..., sequela