ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.2 > T23.24 > T23.242 T23.242 Burn of second degree of multiple left fingers (nail), including thumb Non-Billable/Non-Specific Codes T23.242A..., initial encounterT23.242D..., subsequent encounterT23.242S..., sequela