Subscribe to updates for HUMANA - Multiple Transactions - Due to scheduled maintenance HCSR Inpatient Auth, HCSR Outpatient Auth and HCSR Referral transactions will be unavailable Thursday, February 26th from 9:00:00 PM EST through 9:30:00 AM EST Saturday, February 28th. 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.