Tag Archives: Chromatography

Types of drug tests explained

URINALYSIS: Urine is the specimen of choice since it contains the most metabolites of a drug taken. Urine samples are taken from an individual and delivered to the testing lab in a specimen cup. IMMUNOASSAY (EMIT): EMIT (Enzyme Multiplied Immunoassay Technique) – the most commonly used test for pre-employment drug screenings despite having a 4-34% […]