Clinical Laboratory, Ambulance and Medicare Part B Drugs

40.1.6 - Clinical Laboratory, Ambulance and Medicare Part B Drugs (Rev. 1040, Issued: 08-25-06, Effective: 09-11-06, Implementation: 09-11-06) Enrollment of IHS, tribe and tribal organization facilities providing clinical laboratory, ambulance services and Medicare Part B drugs must be provided through the designated A/B MAC (B). These IHS, tribe and tribal organization facilities must meet all the usual enrollment requirements for the designated A/B MAC (B). The designated A/B MAC (B) started accepting enrollment applications from IHS, tribe and tribal organization facilities providing clinical laboratory and ambulance services beginning September 1, 2004. These instructions apply to freestanding or independent clinical labs and independent ambulance suppliers, but not to hospital-based ambulance providers or hospital lab services.