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Test Code HLX Factor V Leiden CASE Factor V Leiden, Blood

Additional Codes

Sunrise Clinical Manager (SCM) Orderable:   Molecular Genetics - Factor V Leiden

AllScripts (AEHR) Orderable:  Factor V Leiden

Performing Laboratory

Northwell Health Laboratories


Invader Assay

Reference Values

See report.

Test Classification and CPT Coding


Day(s) and Time(s) Performed


Specimen Required

Container/Tube: Lavender-top (EDTA) tube(s)

Specimen Volume: 2 mL to 5 mL of EDTA peripheral blood

Transport Temperature:  Room Temperature


Note: Pertinent medical information including patient’s age, suspected diagnosis and a signed Patient Consent Form are required.

Computer Interface Code

PDM # 5160174

Useful For

Factor V Leiden mutation testing should be reserved for patients with clinically suspected thrombophilia and: 1) APC-resistance proven or suspected by a low or borderline APC-resistance ratio, or 2) a family history of factor V Leiden.