1 Screening barium enema: When this test is used instead of a flexible sigmoidoscopy or colonoscopy, Medicare covers it once every 48 months if you're 50 or over and once every 24 months if you're at high risk for colorectal cancer.our costs in Original Medicare. 1  For barium enemas, you pay 20% of the Medicare-approved amount for the doctor's services. 2  In a hospital outpatient setting, you also pay a copayment.
Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run.Debian provides more than a pure OS: it comes with over 43000 packages, precompiled software bundled up in a nice format for easy installation on your machine.ebian. Debian is a free operating system (OS) for your computer. An operating system is the set of basic programs and utilities that make your computer run. Debian provides more than a pure OS: it comes with over 43000 packages, precompiled software bundled up in a nice format for easy installation on your machine.
de - Computer Definition. In the frame relay LAPF frame, a 1-bit field indicating the eligibility of the frame for discard under conditions of network congestion. Theoretically, the user equipment sets the DE in consideration of the acceptability of the application to packet loss. Should the user equipment not set the DE, the network routers and switches may do so on a random basis or to police traffic that exceeds the CIR.