ICD-10-CM > S00-T88 > S10-S19 > S10 > S10.9 > S10.92 S10.92 Blister (nonthermal) of unspecified part of neck Non-Billable/Non-Specific Codes S10.92XA..., initial encounterS10.92XD..., subsequent encounterS10.92XS..., sequela