ICD-10-CM > S00-T88 > S30-S39 > S31 > S31.8 > S31.81 > S31.815 > S31.815A S31.815A Open bite of right buttock, initial encounter Billable/Specific Copy Code Copy Description Applicable To Bite of right buttock NOS Type 1 Excludes superficial bite of buttock (S30.870)