ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.5 > T33.51 > T33.511 T33.511 Superficial frostbite of right wrist Non-Billable/Non-Specific Codes T33.511A..., initial encounterT33.511D..., subsequent encounterT33.511S..., sequela