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.
Typically, Medicare provides health insurance only to those who are 65 years of age or older, but certain people younger than 65 may qualify. People of any age who suffer from certain disabilities or diseases may be eligible for Medicare hospital insurance. Here's how to qualify for Medicare if you're under 65. Get diagnosed with amyotrophic lateral sclerosis, also known as Lou Gehrig's disease, in order to qualify for Medicare before the age of 65 years. Be a disability beneficiary for at least 24 months prior to qualifying for Medicare.