ICD-10-CM > S00-T88 > S00-S09 > S01 > S01.9 S01.9 Open wound of unspecified part of head Non-Billable/Non-Specific Codes S01.90Unspecified open wound of unspecified part of headS01.90XA..., initial encounterS01.90XD..., subsequent encounterS01.90XS..., sequelaS01.91Laceration without foreign body of unspecified part of headS01.91XA..., initial encounterS01.91XD..., subsequent encounterS01.91XS..., sequelaS01.92Laceration with foreign body of unspecified part of headS01.92XA..., initial encounterS01.92XD..., subsequent encounterS01.92XS..., sequelaS01.93Puncture wound without foreign body of unspecified part of headS01.93XA..., initial encounterS01.93XD..., subsequent encounterS01.93XS..., sequelaS01.94Puncture wound with foreign body of unspecified part of headS01.94XA..., initial encounterS01.94XD..., subsequent encounterS01.94XS..., sequelaS01.95Open bite of unspecified part of headS01.95XA..., initial encounterS01.95XD..., subsequent encounterS01.95XS..., sequela