ICD-10-CM > S00-T88 > T33-T34 > T33 > T33.5 > T33.52 T33.52 Superficial frostbite of hand Non-Billable/Non-Specific Type 2 Excludes superficial frostbite of fingers (T33.53-) Codes T33.521Superficial frostbite of right handT33.521A..., initial encounterT33.521D..., subsequent encounterT33.521S..., sequelaT33.522Superficial frostbite of left handT33.522A..., initial encounterT33.522D..., subsequent encounterT33.522S..., sequelaT33.529Superficial frostbite of unspecified handT33.529A..., initial encounterT33.529D..., subsequent encounterT33.529S..., sequela