Subscribe to updates for BCBS TENNESSEE - 270 - BCBST will be performing maintenance of services that may impact Eligibility and Benefits inquiries beginning at 9PM on 5/29 until 2AM on 5/30. If you receive an error with your Eligibility and Benefits transaction, please try ag... via email and/or text message. You'll receive email notifications when incidents are updated, and text message notifications whenever Payer Notifications creates or resolves an incident.