Urine drug test results interpretation
[DOC File]TEMPLATE FOR STANDARD OPERATING PROCEDURES
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It may be possible to obtain definitive drug test results for the specimen using a different drug test method or to confirm adulteration using additional specimen validity tests. The choice of the second laboratory and/or additional tests will be dependent on the suspected adulterant and the validated characteristics of the different drug tests. Laboratory staff should be knowledgeable of ...
[DOC File]Beckman Coulter
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Indican and other pigmented drugs may interfere with test interpretation. False positive urobilinogen results may occur with para-aminosalicylic acid (a bacterial drug) and sulfonamides. False negatives results may occur when formaldehyde is present. Highly pigmented urines may mask the color reaction. Strong oxidizing agents can cause false positive leukocyte results. Falsely lowered reading ...
INTERPRETING URINE DRUG TEST RESULTS - Nationwide Medical …
Interpretation Guide: Immunoassay-based Urine Drug Screening. August . 2015. The . Drugs of Abuse Testing. and . Target Drug Testing. offered by Dynacare use immunoassays to qualitatively screen for the presence of a specific drug and/or drug class. Each immunoassay will have varying sensitivities and specificities for the tested drug or drug class. As such, it is important to note that ...
[DOCX File]Dynacare - Home (English - Canada)
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Combur7 Test urine test strips are used to measure certain constituents, in urine, which are significant of renal, urinary, hepatic and metabolic disorders. 1.2 Staff. Only healthcare personnel who have been suitably trained may perform urinalysis using Combur7 Test urine test strips. 2. PRINCIPLE OF THE PROCEDURE. Combur7 Test urine test strips have seven test areas for the semi-quantitative ...
[DOC File]Beckman Coulter
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Urine samples should be collected in the manner routinely used for drug screening analysis.6 Samples should be at room temperature for testing.7 SPECIMEN STORAGE AND STABILITY If the sample cannot be analyzed immediately, it may be stored at +2°C to +8°C for up to 7 days.2,6 If longer storage is required or when a split sample collection method is used, samples should be stored frozen at -20 ...
[DOC File]DRUG TESTING PROTOCOL - Forensic Network
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Urine samples should be collected in the manner routinely used for drug screening analysis.6 Samples should be at room temperature for testing.7 SPECIMEN STORAGE AND STABILITY If the sample cannot be analyzed immediately, it may be stored at +2°C to +8°C for up to 7 days.2 If longer storage is required or when a split sample collection method is used, samples should be stored frozen at -20 ...
[DOC File]Medical Review Officer Manual - SAMHSA
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Drug Class Detection time in oral fluid Detection time in urine 2.3 POSITIVE RESULTS AND CONFIRMATION . Most first line methods (which include point of care testing) of drug testing involve an immunoassay test, whereby antibodies bind to a compound causing a measurable change in a label. Cross reactivity with other compounds can cause false ...
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