Sorted By Test Name - Mayo Medical Laboratories

PDSU
88760
Instructions.
Useful For: Detection and identification of prescription or OTC drugs frequently found in drug
overdose or used with a suicidal intent This test is designed to identify drugs present in the sample.
Quantification of identified drugs, when available, may be performed upon client request.
Interpretation: The drugs we know can be detected by this test are listed in Prescription and
Over-the-Counter (OTC) Drug Screens Table 1 in Special Instructions. Drugs of toxic significance that
are not detected by this test are: digoxin, lithium, many drugs of abuse/illicit drugs, some
benzodiazepines, and most opiates. The pharmacology of each drug determines how the test should be
interpreted. A detailed discussion of each drug is beyond the scope of this text. If you wish to have a
report interpreted, please call Mayo Medical Laboratories and ask for a Toxicology Consultant. Mayo
Medical Laboratories will only report reference ranges that we have determined to be clinically correlated.
Other reference ranges are available from the literature, but since we have not validated them, we choose
not to report them. We will gladly discuss them during a consultation and provide reference citations if
requested. Each report will indicate the drugs identified. Quantitation will only be performed upon client
request.
Reference Values:
None detected
Clinical References: Porter WH: Clinical toxicology. In Tietz Textbook of Clinical Chemistry and
Molecular Diagnostice. 4th edition. Edited by CA Burtis, ER Ashwood. DE Bruns St. Louis, MO,
Elsevier Saunders, 2006, pp 1287-1369
Drug Screen, Prescription/OTC, Urine
Clinical Information: This test looks for a broad spectrum of prescription and over-the-counter
(OTC) drugs. It is designed to detect drugs that have toxic effects, as well as known antidotes or active
therapies that a clinician can initiate to treat the toxic effect. The test is intended to help physicians
manage an apparent overdose or intoxicated patient, to determine if a specific set of symptoms might be
due to the presence of drugs, or to evaluate a patient who might be abusing these drugs intermittently. The
test is not designed to screen for intermittent use of illicit drugs. Drugs of toxic significance that are not
detected by this test are: digoxin, lithium, and many drugs of abuse/illicit drugs, some benzodiazepines,
and some opiates. See Prescription and Over-the-Counter (OTC) Drug Screens Table 2 in Special
Instructions.
Useful For: The qualitative detection and identification of prescription or over-the-counter drugs
frequently found in drug overdose or used with a suicidal intent. This test is designed to provide, when
possible, the identification of all drugs present.
Interpretation: The drugs that can be detected by this test are listed in Prescription and
Over-the-Counter (OTC) Drug Screens Table 2 in Special Instructions. Positive results are definitive.
Drugs of toxic significance that are not detected by this test include digoxin, lithium, many drugs of
abuse/illicit drugs, some benzodiazepines, and some opiates. For these drugs, see Mayo Medical
Laboratories†drug abuse surveys or drug screens or individual tests. A detailed discussion of each
drug detected is beyond the scope of this text. Each report will indicate the drugs identified. If a clinical
interpretation is required, please request a Drug/Toxicology Lab consult (Mayo Clinic patients) or contact
Mayo Laboratory Inquiry (Mayo Medical Laboratories clients).
Reference Values:
Identification
Clinical References: 1. Tietz Textbook of Clinical Chemistry. 3rd edition. Edited by CA Burtis, ER
Ashwood. Philadelphia, WB Saunders Company 1999, pp 913-917 2. Disposition of Toxic Drugs and
Chemicals in Man. 5th edition. Edited by RC Baselt, RH Cravey. Foster City, CA, Chemical Toxicology
Institute, 2000
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