| 释义 |
drug screening drug screening Clinical toxicology A method for identifying the presence of one or more drugs of abuse, usually in urine, by 'stat' methods–eg, EMIT–enzyme-mediated immunologic technique, FPIA–fluorescence polarization immunoassay, TLC; DS is used in the ER, for preemployment testing, and identifies the most commonly abused substances–eg, cocaine, opiates, tranquilizers, sedatives–barbiturates, and hallucinogens–PCP, LSD, tetrahydrocannabinol |