ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.3 > T23.33 > T23.331 T23.331 Burn of third degree of multiple right fingers (nail), not including thumb Non-Billable/Non-Specific Codes T23.331A..., initial encounterT23.331D..., subsequent encounterT23.331S..., sequela