Source:http://linkedlifedata.com/resource/umls/id/C0038577
MSH: Detection of drugs that have been abused, overused, or misused, including legal and illegal drugs. Urine screening is the usual method of detection.,NCI: A laboratory test of biological material such as blood, urine, hair, saliva or sweat, used to detect the presence of a drug or its metabolites with in the body.,CSP: procedures to detect the presence of drugs or their side products in blood, urine, breath, or other biological samples; do not confuse with DRUG SCREENING/EVALUATION.