There are a number reasons why forensic toxicology testing may take several weeks to complete, including the range of toxicologic specimens requiring different tests; the complexity of testing for illicit and therapeutic drugs, as well as other toxic chemical agents; the extensive record keeping that is needed for forensic defensibility of the toxicology studies underlying a final report; and others. In addition, some tests may be beyond the scope of expertise in the initial laboratory and specimens may have to be referred to more specialized laboratories that can perform those specific tests.
Forensic testing also requires a ‘chain of custody’ so that for each step, from collection of the specimen to the final report, there is documentation of where the specimen has been and who handled it. Toxicology reports are issued after a death investigation which would include information on any medications the deceased may have been taking or any drugs to which the deceased may have had access. Death investigations take some time to gather all the information from the various individuals working on the case or who were involved with the case. Under certain circumstances, new information may become available and the toxicologist may have to test for additional drugs, or test other samples before the report is finalized. Toxicology testing requires cooperative work among many professionals making communication and quality paramount.
The American Association for Clinical Chemistry announces a press briefing on forensic toxicology to be held at its Annual Meeting in the McCormick Place Convention Center, Chicago, IL on Tuesday, July 21, 10:30 a.m. to 11:00 a.m. The press conference features two experts. Barbarajean Magnani, PhD, MD,FCAP, is Chief of Clinical Pathology and Vice Chair of Pathology and Laboratory Medicine at Tufts Medical Center, Boston, MA, and Chair of the Toxicology Resource Committee at the College of American Pathologists. Fred Apple, PhD, is Director & Professor of Lab Medicine & Pathology at the Hennepin County Medical Center, Minneapolis, MN, as well as Clinical Toxicology Consultant at the Hennepin Medical Examiner’s Office. The briefing will be held in Room N427A of the convention center.
AACC’s Therapeutic Drug Management & Toxicology Division has developed additional guidance about toxicology including a definition of what it is and what is meant by toxicology testing, who conducts the testing, and how the results are interpreted. On Saturday, July 18, the Division is holding a conference on Drug Addiction: From Basic Science to Clinical Laboratory Practice which includes several scientific presentations relevant to forensic toxicology. Members of the press are invited to attend the conference at no cost. Those interested in attending should contact Peter Patterson.
AACC, based in Washington, DC, is a leading professional society dedicated to improving healthcare through laboratory medicine. Its over 9,000 members are clinical laboratory professionals, physicians, research scientists, and others involved in developing tests and directing laboratory operations. AACC brings this community together with programs that advance knowledge, expertise, and innovation. AACC’s Annual Meeting, which attracts around 20,000 delegates, is the world’s largest conference on laboratory medicine and technology.
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