ICD-10-CM > S00-T88 > S70-S79 > S70 > S70.3 > S70.32 > S70.322 S70.322 Blister (nonthermal), left thigh Non-Billable/Non-Specific Codes S70.322A..., initial encounterS70.322D..., subsequent encounterS70.322S..., sequela