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GTR Home > Tests > Factor V Leiden

How to order

How To Order

Laboratory's Test Page



How To Order


1. Choose the desired test from the Test Directory. 2. Obtain information on the required specimen for the specific test from the Test Information page. 3. Fill out the necessary test requisition form and any other required forms from the Forms page. 4. Provide the required Billing information or make the required payment arrangements. 5. Submit the sample according to the Specimen Handling instructions.
Order URL Help: http://www.saintfrancis.com/genetics/Pages/Test-Ordering.aspx

Informed Consent Required Help: No

Specimen Source

  • Amniocytes
  • Amniotic fluid
  • Buccal swab
  • Chorionic villi
  • Isolated DNA
  • Peripheral (whole) blood

Specimen requirements: http://www.saintfrancis.com/genetics/pages/Test-Ordering/Send-a-Specimen.aspx

Test Codes

LOINC Code(s):

Other test codes on lab website

Test Orderable By

  • Genetic Counselor
  • Health Care Provider
  • Licensed Physician
  • Nurse Practitioner
  • Physician Assistant

Test services

  • Clinical Testing/Confirmation of Mutations Identified Previously

Ordering Requirements

Genetic Counseling Required Pre-test Help
Genetic Counseling Required Post-test Help

Contact Policy


  • Post-test email/phone consultation regarding genetic test results and interpretation is provided to patients/families.
  • Pre-test email/phone consultation regarding genetic test results and interpretation is provided to patients/families.

Laboratory Contact For This Test


Practice guidelines

  • NICE, 2020
    UK NICE Guideline NG158, Venous thromboembolic diseases: diagnosis, management and thrombophilia testing, 2020

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.