What lab studies are involved in the evaluation of obesity?

Updated: Jun 09, 2021
  • Author: Osama Hamdy, MD, PhD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Standard laboratory studies in the evaluation of obesity should include the following:

  • Fasting lipid panel

  • Liver function studies

  • Thyroid function tests

  • Fasting glucose and hemoglobin A1c (HbA1c)

Other tests are performed as indicated by clinical findings. For example, the 24-hour urinary free-cortisol test is needed only when Cushing syndrome or other hypercortisolemic states are clinically suspected. However, approximately 4% of patients with Cushing syndrome have normal urinary free-cortisol values.

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