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Test Code FA5L Factor V Leiden Thrombophilia

Important Note

Completion of General Consent Form is required for this test. Please submit the completed form along with the sample request form.

Additional Codes

Epic Ordering Code LAB346
NBS code LBC04317
Service code 1035028

Specimen Requirements

Submit the following: 

 

Preferred:

Purple Top

Processing Requirements

Specimen type: Whole Blood

Volume: 3.0 mL 

Storage/transport requirements: Ambient or refrigerated

Specimen Stability

Specimen Type Whole Blood
Ambient 7 days
Refrigerate 7 days

Methodology

Polymerase Chain Reaction, Microarray

Days and Times Performed

TAT 21 days

Reference Interval

An interpretative report will be provided.

Testing Laboratory

National University Hospital
Genomics Diagnostic Laboratory, 67724384

Useful For

The presence of the Factor V Leiden Arg506Gln(R506Q) mutation is a risk factor for venous thromboembolism (VTE) and recurrent miscarriage

Update

Last updated 10/06/2026

Test Info

(a) This test was developed by NUH Laboratory Medicine.

(b) Reagents used in this test are ordered through HSA's Special Access Route, which provides interim access without full registration.