Manchikanti, Laxmaiah <br/><br/>
Protocol for accuracy of point of care (POC) or in-office urine drug testing (immunoassay) in chronic pain patients: a prospective analysis of immunoassay and liquid chromatography tandem mass spectometry (LC/MS/MS).  [electronic resource] 

 -  Pain physician   
 - E1-E22 p.  digital 
<br/><br/> Publication Type: Clinical Trial; Comparative Study; Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>2150-1149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Analgesics--adverse effects<br/>Chromatography, Liquid--methods<br/>Chronic Disease--drug therapy<br/>Clinical Laboratory Techniques<br/>Diagnostic Errors--prevention & control<br/>Diagnostic Tests, Routine<br/>Drug Monitoring--methods<br/>Drug and Narcotic Control<br/>False Positive Reactions<br/>Humans<br/>Immunoassay--methods<br/>Longitudinal Studies<br/>Medication Adherence<br/>Opioid-Related Disorders--diagnosis<br/>Pain--drug therapy<br/>Point-of-Care Systems<br/>Predictive Value of Tests<br/>Prospective Studies<br/>Research Design<br/>Substance Abuse Detection--methods<br/>Substance-Related Disorders--diagnosis<br/>Tandem Mass Spectrometry--standards<br/>United States<br/>Urinalysis--methods