ICD-10-CM > S00-T88 > T20-T25 > T23 > T23.2 > T23.23 T23.23 Burn of second degree of multiple fingers (nail), not including thumb Non-Billable/Non-Specific Codes T23.231Burn of second degree of multiple right fingers (nail), not including thumbT23.231A..., initial encounterT23.231D..., subsequent encounterT23.231S..., sequelaT23.232Burn of second degree of multiple left fingers (nail), not including thumbT23.232A..., initial encounterT23.232D..., subsequent encounterT23.232S..., sequelaT23.239Burn of second degree of unspecified multiple fingers (nail), not including thumbT23.239A..., initial encounterT23.239D..., subsequent encounterT23.239S..., sequela