ICD-10-CM > S00-T88 > S00-S09 > S00 > S00.9 S00.9 Superficial injury of unspecified part of head Non-Billable/Non-Specific Codes S00.90Unspecified superficial injury of unspecified part of headS00.90XA..., initial encounterS00.90XD..., subsequent encounterS00.90XS..., sequelaS00.91Abrasion of unspecified part of headS00.91XA..., initial encounterS00.91XD..., subsequent encounterS00.91XS..., sequelaS00.92Blister (nonthermal) of unspecified part of headS00.92XA..., initial encounterS00.92XD..., subsequent encounterS00.92XS..., sequelaS00.93Contusion of unspecified part of headS00.93XA..., initial encounterS00.93XD..., subsequent encounterS00.93XS..., sequelaS00.94External constriction of unspecified part of headS00.94XA..., initial encounterS00.94XD..., subsequent encounterS00.94XS..., sequelaS00.95Superficial foreign body of unspecified part of headS00.95XA..., initial encounterS00.95XD..., subsequent encounterS00.95XS..., sequelaS00.96Insect bite (nonvenomous) of unspecified part of headS00.96XA..., initial encounterS00.96XD..., subsequent encounterS00.96XS..., sequelaS00.97Other superficial bite of unspecified part of headS00.97XA..., initial encounterS00.97XD..., subsequent encounterS00.97XS..., sequela