ICD-10-CM > S00-T88 > S00-S09 > S01 > S01.4 > S01.40 > S01.401 S01.401 Unspecified open wound of right cheek and temporomandibular area Non-Billable/Non-Specific Codes S01.401A..., initial encounterS01.401D..., subsequent encounterS01.401S..., sequela