Ordering Instructions

Factor V Leiden DNA / Prothrombin G20210A is a predictive and presymptomatic genetic test.

Submission of an order for any predictive genetic tests and presymptomatic genetic tests, as defined by MCL 333.17020, contained in this catalog constitutes certification to Corewell Health laboratories that the ordering physician understands that written, informed consent is required for these tests and that, by submitting an order for these genetic tests, ordering physician has obtained “Informed Consent” of subject patient as required by any applicable state or federal laws with respect to each test ordered. On occasion, we forward a specimen to an outside reference laboratory. Corewell Health laboratories may request that ordering physician provide such consent to Corewell Health upon a reasonable request.

For an example of an informed consent, click here.

This test should only be resulted once per lifetime. The duplicate checking indicates that this
patient has already had this testing performed. Please see chart review for results.
If unable to order, please call the appropriate lab area for assistance.