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Psychemedics Corporation is a United States corporation which provides patented, FDA-cleared, CAP certified clinical laboratory services for the detection of drugs of abuse. The company's corporate headquarters are located in Acton , Massachusetts and its laboratory operations are located in Culver City , California .
A drug test (also often toxicology screen or tox screen) is a technical analysis of a biological specimen, for example urine, hair, blood, breath, sweat, or oral fluid/saliva—to determine the presence or absence of specified parent drugs or their metabolites.
If not otherwise specified, a reference range for a blood test is generally the venous range, as the standard process of obtaining a sample is by venipuncture. An exception is for acid–base and blood gases, which are generally given for arterial blood. [citation needed]
With hormone levels fluctuating so much, a one-and-done blood test only captures your levels at that moment in time—which could give misleading results. Even before perimenopause, hormones ...
A wide variety of samples can be used for virological testing. The type of sample sent to the laboratory often depends on the type of viral infection being diagnosed and the test required.
Low-dose and high-dose variations of the test exist. [4] The test is given at low (usually 1–2 mg) and high (8 mg) doses of dexamethasone, and the levels of cortisol are measured to obtain the results.
5 minutes could get you up to $2M in life insurance coverage — with no medical exam or blood test Lock in juicy quarterly income through this $1B private real estate fund — even if you’re ...
Quest Diagnostics Incorporated is an American clinical laboratory.A Fortune 500 company, Quest operates in the United States, Puerto Rico, Mexico, and Brazil. [3] Quest also maintains collaborative agreements with various hospitals and clinics across the globe.