ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.8 > S31.82 > S31.825 S31.825 Open bite of left buttock Non-Billable/Non-Specific Applicable To Bite of left buttock NOS Type 1 Excludes superficial bite of buttock (S30.870) Codes S31.825A..., initial encounterS31.825D..., subsequent encounterS31.825S..., sequela