Form CMS-1500. Form OWCP-1500. Form RRB-1500. Formerly called HCFA-1500. Health insurance claim form used for various government and private health programs: Railroad Retirement Board (RRB-1500); Office of Worker Compensation Programs (OWCP-1500) as well as Black Lung, Federal Employees' Compensation Act (FECA), and Civilian Health and Medical Program of the Uniformed Services (CHAMPUS) claims (CMS-1500). Approved by AMA (American Medical Association)Council on Medical Service, 8/88. Consists of a single copy, double sided flat sheet form. Sold in packages of 100 copies only.