Ben Weiss April 15, 2022 Billing, Facility Operations, Healthcare Software, How to Guides, Insurance Billing, The Treatment Community Everything You Ever Wanted to Know About Aetna Precertification for Addiction Treatment Billing Ben Weiss April 15, 2022 Billing, Facility Operations, Healthcare Software, How to Guides, Insurance Billing, The Treatment Community When it comes to addiction treatment, Aetna uses the terms precertification and preauthorization interchangeably. Aetna may also refer to this concept as Authorization, Certification, Prior authorization, or Pre-service utilization review .