Different labs and tests...look for different drugs. Also some tests (urine, blood, follicle, etc) can detect drug-use from different times in your past. Basically, negative means you dont have evidence of drug use in your system. Source(s): Lab Tech. just now. Report Abuse. A drug test is a technical analysis of a biological specimen-for example urine, hair, blood, sweat, or oral fluid / saliva-to determine the presence or absence of specified parent drugs or their metabolites.
In addition, you may qualify for Medicare if you meet the eligibility requirements for the SSA disability program and youâre a child or widow(er) 50 years or older of someone who has worked long enough as a government employee through which Medicare taxes were paid.
Medicare Part B Requirements. Page Content. There are two types of Medicare coverage in which you are required to enroll when you become eligible: Part A (Hospital Insurance) and Part B (Medical Insurance). Medicare is the primary payer for Medicare Part A services for Medicare enrolled Fundsâ beneficiaries. The Funds is the primary payer for Medicare Part B services, if you have no other group health plan that is primary. You are required to notify the Funds when you become eligible for Medicare. When you are Medicare-eligible, you must enroll in Part B in order to keep your Fundsâ health services card. The Funds will not provide health benefits for beneficiaries who are eligible but not enrolled in Medicare.