Factor V Activity

Overview

  • EPIC Code:
  • LAB304
  • Soft Test Code:
  • FACT5
  • Send Out Test Code:
  • 344X / 29183
Alternate Names
  • Factor V Assay
Clinical Significance

Bleeding disorders may be due to inherited or acquired deficiencies of a clotting factor


Specimen Collection & Preparation

Specimen Requirements

1.0 mL frozen platelet poor plasma from a Blue Top Tube - 3.2% Na Citrate in a Plastic Vial


Transport And Storage

14 days Frozen


Collection Instructions

Centrifuge light blue-top tube for 15 minutes at approximately 1500 x g within 60 minutes of collection. Using a plastic pipette, remove plasma, taking care to avoid WBS/platelet buffy layer and place
into a plastic vial. Centrifuge a second time and transfer platelet-poor plasma into a new plastic vial.
Plasma must be free of platelets (< 10,000/uL). Freeze immediately and ship on dry ice.

Avoid Hemolysis 


Minimum Volume

0.5 mL Platelet Poor Plasma


Neonatal Volume

Clinical Interpretation

Reference Range:

65% - 150%


Methodology:
  • Photometric Clot Detection
Clinical Significance

Bleeding disorders may be due to inherited or acquired deficiencies of a clotting factor


Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Departments
  • Sendouts - Clinical
Turn Around Time

4 to 7 days


Coding & Compliance

CDM

01453626


CPT Coding

85220