What is the role of lab tests in the workup of excoriation (skin-picking) disorder?

Updated: Jul 10, 2018
  • Author: Roxanne Graham, MD; Chief Editor: Dirk M Elston, MD  more...
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To rule out systemic disease, the following tests are indicated:

  • Complete blood count (CBC) with differential

  • Chemistry profile

  • Determination of thyrotropin levels

  • Fasting plasma glucose level

The appropriate workup for cancer can be performed if indicated by the patient’s history. A chest radiograph can help to rule out suspected lymphoma. Patients can be assessed for contact dermatitis or food allergies. A skin biopsy can be helpful to rule out other pathologic conditions.

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