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Laboratory Testing in Psychiatry
Book chapter

Laboratory Testing in Psychiatry

Royce P Gray and Alexander W Thompson
DeckerMed Psychiatry
12/17/2020
DOI: 10.2310/PSYCH.13003

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Abstract

We review common laboratory testing encountered in psychiatric practice. It seems likely that in areas where the most evidence exists driving laboratory testing (e.g., metabolic monitoring for people on atypical antipsychotics), testing still is not universally done, and we often do not adequately address the results. However, in areas where there is little evidence supporting the practice (extensive laboratory testing on people being admitted to a psychiatric hospitals), we order tests extensively. We cover common tests encountered in the use of antipsychotics, antidepressants, mood stabilizers, antiepileptic drugs, and lithium. We also discuss the role of thyroid, vitamin B12, and folate testing and the special circumstance of caring for those with eating disorders. This review contains 2 highly rendered figures, 20 tables, and 44 references. Key words: agranulocytosis, antidepressant, antiepileptic drug, antipsychotic, blood dyscrasia, clozapine, eating disorders, metabolic monitoring, QT interval, urine drug screen 

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