Stool Specimens

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As of 2/24/2022, the following test orders have resumed:

  • CDC-10458: Chagas Disease Serology
  • CDC-10234: Parasites: Morphologic Identification
  • CDC-10520: Malaria: Morphological Identification

Pre-approval prior to submissions will be required. Please contact for current submission requirements and forms.

All other assays for serological, molecular, or characterization of parasitic diseases—and Trichomonas susceptibility testing—at CDC remain temporarily offline. We are working to restart additional testing as soon as possible for each test and will update this communication as soon as we are able.

CDC offers consultation to healthcare providers in the absence of diagnostic testing. Healthcare providers needing assistance with diagnosis or management of suspected cases of parasitic diseases may contact CDC’s Parasitic Diseases Hotline at (404) 718-4745, or e-mail

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DPDx is an educational resource designed for health professionals and laboratory scientists. For an overview including prevention, control, and treatment visit

Page last reviewed: March 16, 2022