A Sample Demonstrates a DAT Profile That Is Positive with Polyspecific

question 16

Multiple Choice

A sample demonstrates a DAT profile that is positive with polyspecific AHG, negative with anti-IgG, and positive with anti-C3. If the Donath-Landsteiner test was also positive, what should the clinical laboratory professional do?

• A) Perform an elution and antibody panel
• B) Confer with the supervisor regarding the possibility of PCH
• C) Request a serum sample for antibody screen
• D) Perform a cold agglutinin test

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