ICD-10-CM > S00-T88 > S60-S69 > S61 > S61.0 > S61.05 > S61.059 S61.059 Open bite of unspecified thumb without damage to nail Non-Billable/Non-Specific Codes S61.059A..., initial encounterS61.059D..., subsequent encounterS61.059S..., sequela