ICD-10-CM > S00-T88 > S00-S09 > S01 > S01.4 > S01.45 > S01.459 S01.459 Open bite of unspecified cheek and temporomandibular area Non-Billable/Non-Specific Codes S01.459A..., initial encounterS01.459D..., subsequent encounterS01.459S..., sequela