Drugs and other factors affecting laboratory tests
Medical Letter on Drugs and Therapeutics 13(20): 82-84
1971
ISSN/ISBN: 0025-732X PMID: 5162296 Document Number: 5199
The results of laboratory tests can be unreliable even when a competent laboratory performs the tests. The physician can, however, control many of the factors that affect the reliability of test results, such as time when the specimen is obtained, the physical activity of the patient, drugs the patient has been taking, and temperature at which the specimen is kept. If a specimen is to be mailed, specific directions for mailing provided by the laboratory should be followed.
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