ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.3 > T23.33 > T23.339 T23.339 Burn of third degree of unspecified multiple fingers (nail), not including thumb Non-Billable/Non-Specific Codes T23.339A..., initial encounterT23.339D..., subsequent encounterT23.339S..., sequela