What can I submit to get Delta PPO to cover this code with out submitting it on a different day of service, tx. Plan: we are extracting wisdom teeth and patient needs Biopsy on LR . this is there reason code :Delta Dental coding update : This is not a separately payable service. Under our guidelines the fee for this procedure is included in the fee for another procedure. For this reason we are unable to pay this charge. Neither the plan nor the enrollee is responsible for payment of tis service.