ICD-10-CM > S00-T88 > S60-S69 > S61 > S61.1 > S61.15 > S61.159 S61.159 Open bite of unspecified thumb with damage to nail Non-Billable/Non-Specific Codes S61.159A..., initial encounterS61.159D..., subsequent encounterS61.159S..., sequela