Revised Interpreter Services Billing Guide with New RAC codes Washington State Health Care Authority sent this bulletin at 10/27/2022 09:41 AM PDT Having trouble viewing this email? View it as a Web page. Apple Health (Medicaid) Provider Alert Attention providers: The Health Care Authority (HCA) has published a revised Interpreter Services Billing Guide, effective November 1, 2022. HCA added three new recipient aid category (RAC) codes to the box under What clients are not eligible for interpreter services? This is not a policy change. These RAC codes were inadvertently omitted from the last publication.