ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.5 > T33.53 > T33.532 T33.532 Superficial frostbite of left finger(s) Non-Billable/Non-Specific Codes T33.532A..., initial encounterT33.532D..., subsequent encounterT33.532S..., sequela