ICD-10-CM > S00-T88 > S00-S09 > S01 > S01.9 > S01.95 S01.95 Open bite of unspecified part of head Non-Billable/Non-Specific Applicable To Bite of head NOS Type 1 Excludes superficial bite of head NOS (S00.97) Codes S01.95XA..., initial encounterS01.95XD..., subsequent encounterS01.95XS..., sequela